Deck 11: How Cells Reproduce

ملء الشاشة (f)
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سؤال
DNA is replicated during

A) ​anaphase.
B) ​metaphase.
C) ​interphase.
D) ​prophase.
E) ​telophase.
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سؤال
The accompanying figure reveals which of the following about the organism from which it was obtained?

A) ​type of gene markers
B) ​age.
C) ​deceased or living
D) ​total number of genes
E) ​gender and chromosome number
سؤال
In mitosis, if a parent cell has 16 chromosomes, each daughter cell will have how many chromosomes?

A) ​64
B) ​32
C) ​16
D) ​8
E) ​4
سؤال
Which of the following is associated with mitosis?

A) fertilization
B) ​somatic cells
C) ​sexual reproduction
D) ​sperm and egg
E) ​germ cells
سؤال
DNA replication occurs

A) ​before mitosis.
B) ​immediately before prophase of mitosis.
C) ​during prophase of mitosis.
D) ​during metaphase of mitosis.
E) ​at any time during cell division.
سؤال
Which of the following statements is TRUE?

A) ​Once a person reaches maturity, cell division stops except to repair wounds.
B) ​Cell division in an adult signifies cancer.
C) Select cells throughout the body retain the ability to divide and replace themselves.​
D) ​Growth continues throughout the life of an adult human.
E) ​All cells retain the ability to divide even after the organism reaches maturity.
سؤال
Strictly speaking, mitosis

A) ​divides the nucleus and doubles the chromosomal number.
B) ​divides the cytoplasm and doubles the chromosomal number.
C) ​divides the chromosomes within the nucleus.
D) ​divides the nucleus and maintains the chromosomal number.
E) ​maintains the structure of the nucleus, cytoplasm, and chromosomes.
سؤال
The interval stage before the onset of DNA replication is called the

A) ​G1 stage.
B) ​G2 stage.
C) ​M stage.
D) ​S stage.
E) ​G3 stage.
سؤال
Which statement is TRUE about mitosis in animal cells?

A) ​The location of the centromere is the same for each chromosome.
B) ​All spindle fibers become attached to kinetochores.
C) ​The spindle apparatus is composed of actin protein molecules.
D) ​The spindle begins to disassemble during telophase.
E) ​Some centromeres overlap midway at the spindle.
سؤال
The number of DNA molecules in a duplicated chromosome is

A) ​one.
B) ​undetermined.
C) ​half that of an unduplicated chromosome.
D) ​two.
E) ​four.
سؤال
Figure 11.4
<strong>Figure 11.4   In the depiction of the cell cycle in the figure above, what does step 2 represent?</strong> A) a pair of homologous chromosomes in G1. B) two chromosomes in anaphase. C) a pair of duplicated homologous chromosomes in G2 D) the entire genome of the organism. E) a chromosome in telophase. <div style=padding-top: 35px>
In the depiction of the cell cycle in the figure above, what does step 2 represent?

A) a pair of homologous chromosomes in G1.
B) two chromosomes in anaphase.
C) a pair of duplicated homologous chromosomes in G2
D) the entire genome of the organism.
E) a chromosome in telophase.
سؤال
Which of the following results from DNA replication during interphase?

A) ​Each new cell receives half of the number of chromosomes in the original cell.
B) ​Each new cell receives copies of all the original chromosomes.
C) If the original number of chromosomes was 46, each new cell will have 23.
D) The sister chromosomes are not identical due to breakages in the DNA.
E) ​All chromosomes are duplicated except the sex chromosomes.
سؤال
Which of the following results from mitosis?

A) ​a pair of unidentical twins
B) ​a group of rooted plant cuttings from multiple plants
C) ​the cells produced by the sexual reproduction of a single-celled organism
D) ​two new descendent cells each with a full complement of identical DNA
E) ​completely repaired DNA from damaged parental cells
سؤال
Which process is absolutely necessary for asexual cellular reproduction to occur in eukaryotes?

A) ​prokaryotic fission
B) ​mitosis
C) ​meiosis
D) doubling of chromosomal number​ in descendent cells
E) ​growth factor activation
سؤال
Figure 11.4
<strong>Figure 11.4   Homologous chromosomes have the:</strong> A) ​same length but differing genes. B) ​same shape but differing genes C) ​the same genes but differing shapes. D) ​same genes but differing lengths. E) ​same length, shape, and genes. <div style=padding-top: 35px>
Homologous chromosomes have the:

A) ​same length but differing genes.
B) ​same shape but differing genes
C) ​the same genes but differing shapes.
D) ​same genes but differing lengths.
E) ​same length, shape, and genes.
سؤال
The unique feature of HeLa cells that make them important for research is that they are

A) ​identical to all other human cells.
B) ​immortal cells and will grow in culture.
C) ​limited in growth cycles.
D) ​identical to stem cells.
E) ​cannot propagate.
سؤال
Chromatids that are attached at the centromere are called ____ chromatids?

A) ​mother
B) ​daughter
C) ​sister
D) ​programmed
E) ​either mother or daughter
سؤال
Chromosomes are copied during what stage of the cell cycle?

A) ​M
B) ​D
C) ​G1
D) ​G2
E) ​S
سؤال
HeLa cells have been used in research to

A) ​identify cell structures.
B) ​study sickle cell anemia.
C) ​study the effects of hyperoxia on cells.
D) ​study the mechanisms of cancer.
E) ​study various lung diseases.
سؤال
The spindle apparatus is composed of

A) ​Golgi bodies.
B) ​microtubules.
C) ​endoplasmic reticulum.
D) ​nucleoprotein.
E) ​chromatids.
سؤال
Cytoplasmic division in animal cells involves _____.

A) ​formation of a cell plate
B) ​formation of a deepening cleavage furrow
C) ​the formation of vesicle clusters
D) ​the formation of a ring of myosin filaments under the plasma membrane at the equator
E) ​the use of ADP
سؤال
In eukaryotic cells, which occurs during the prophase of mitosis?

A) ​duplication of chromatids
B) ​replication of DNA
C) separation of sister chromatids
D) ​breakup of the nuclear envelope
E) ​appearance of the nuclear envelope
سؤال
Figure 11.5
<strong>Figure 11.5   During which phase does transcription stop, and the DNA begin to appear grainy and start to condense?</strong> A) ​interphase B) ​early prophase C) ​prophase D) ​anaphase E) ​early anaphase <div style=padding-top: 35px>
During which phase does transcription stop, and the DNA begin to appear grainy and start to condense?

A) ​interphase
B) ​early prophase
C) ​prophase
D) ​anaphase
E) ​early anaphase
سؤال
The chromosomes are aligned midway between spindle poles during

A) ​anaphase.
B) ​metaphase.
C) ​interphase.
D) ​prophase.
E) ​telophase.
سؤال
Figure 11.5
<strong>Figure 11.5   The cell in panel 3 in the figure is in ___.</strong> A) ​anaphase B) ​metaphase C) ​interphase D) ​prophase E) ​telophase <div style=padding-top: 35px>
The cell in panel 3 in the figure is in ___.

A) ​anaphase
B) ​metaphase
C) ​interphase
D) ​prophase
E) ​telophase
سؤال
Which characteristic is correlated with cancer cells and metastasis?

A) ​gainof nuclear-cytoplasmic controls governing cell growth and division
B) ​changes in adhesion proteins on membrane surfaces
C) ​expansionof the cytoskeleton
D) normal chromosome number
E) ​deceased blood supply to the tumor
سؤال
Spindles are___.

A) permanent cell structures.​
B) ​present throughout every step of mitosis.
C) ​present during interphase.
D) ​mainly composed of microtubules.
E) ​all identical.
سؤال
Figure 11.7
<strong>Figure 11.7   This illustration shows</strong> A) ​cytoplasmic division in a plant cell. B) ​cytokinesis viaa contractile ring mechanism. C) ​how chromosomes are dragged to the poles. D) ​chromosome condensation. E) ​an animal cell in interphase. <div style=padding-top: 35px>
This illustration shows

A) ​cytoplasmic division in a plant cell.
B) ​cytokinesis viaa contractile ring mechanism.
C) ​how chromosomes are dragged to the poles.
D) ​chromosome condensation.
E) ​an animal cell in interphase.
سؤال
Which of the following is true about the enzyme telomerase?

A) ​It can re-establish telomere length.
B) ​It is found only in adult cells.
C) ​It is responsible for telomere shortening.
D) ​It may speed up the aging process.
E) ​It is expressed at low levels in cancer cells.
سؤال
Cancer cells ____.

A) ​have normal plasma membranes.
B) ​have an increased ability to attach to other cells.
C) ​divide slowly to produce low densities of cells.
D) ​show an amplified reliance on ATP formation by fermentation.
E) ​are all malignant.
سؤال
The nuclear membrane re-forms during

A) ​anaphase.
B) ​metaphase.
C) ​interphase.
D) ​prophase.
E) ​telophase.
سؤال
When cells are not responding to normal controls over growth and division, they form a tissue mass known as a

A) ​metastasis.
B) ​malignancy.
C) ​tumor.
D) ​carcinogen.
E) ​nucleosome.
سؤال
Mitosis comes from the Greek word "mitos," which means

A) ​todivide.
B) ​togrow.
C) ​toswell.
D) ​thread.
E) ​toshrink.
سؤال
Which of the following is typical of cancer cells?

A) Products of oncogenes inhibit mitosis.
B) ​Benign tumors invade normal tissue.
C) ​Malignant cells migrate.
D) ​Cancer cells lose the ability to divide.
E) ​The parent cell of the tumor contains a single mutation in a single checkpoint gene.
سؤال
Figure 11.5
<strong>Figure 11.5   During which phase do sister chromatids separate?</strong> A) ​interphase B) ​prophase C) ​anaphase D) ​telophase E) ​metaphase <div style=padding-top: 35px>
During which phase do sister chromatids separate?

A) ​interphase
B) ​prophase
C) ​anaphase
D) ​telophase
E) ​metaphase
سؤال
The chromatids detach from one another during

A) ​anaphase.
B) ​metaphase.
C) ​interphase.
D) ​prophase.
E) ​telophase.
سؤال
Dolly, the cloned sheep, had telomeres that:

A) ​were unusually short.
B) ​were unusually long.
C) ​became longer with each cell division
D) ​did not change in length
E) ​were perfectly normal
سؤال
Which of the following is true of telomeres?

A) ​They have the sequence ATAGGG.
B) ​They are at in the middle of chromosomes.
C) ​Their sequence can change.
D) ​They shorten with each round of cell replication.
E) ​They have the sequence ATAGTG.
سؤال
The division of cytoplasm is accomplished during

A) ​prokaryotic fission.
B) ​interphase.
C) ​meiosis.
D) ​cytokinesis.
E) ​karyokinesis.
سؤال
Which of the following is the proper sequence for mitosis?
I)metaphase
II)telophase
III)prophase
IV)
Anaphase

A) ​I, III, IV, II
B) ​I, II, III, IV
C) ​III, I, IV, II
D) ​IV, I, III, II
E) ​III, IV, I, II
سؤال
The most common type of skin cancer is __________.
سؤال
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
metaphase
سؤال
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
event that divides a cytoplasmic mass​
سؤال
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
microtubules
سؤال
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
centriole
سؤال
After plant mitosis, the vesicles fuse into a disk-shaped __________.
سؤال
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
centromere
سؤال
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
telophase
سؤال
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
last part of interphase in the parent cell​
سؤال
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period when interphase begins in a cell
سؤال
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period of nuclear division
سؤال
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period of cell growth before DNA duplication
سؤال
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period when DNA is duplicated
سؤال
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period after DNA is duplicated
سؤال
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
prophase
سؤال
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
anaphase
سؤال
The bipolar spindle is composed of __________.
سؤال
The __________ that facilitates cytokinesis in animal cells cannot work with plant cells because a stiff cell wall surrounds their __________.
سؤال
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
cytokinesis
سؤال
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
chromatid
سؤال
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Condensation and shortening of chromosomes occurs.
سؤال
During which stage of the cell cycle would a cell contain the least total amount of DNA?
سؤال
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Daughter nuclear membranes form.
سؤال
How could telomerase inhibitors be used to treat cancer?
سؤال
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Spindle fibers first appear.
سؤال
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Genes replicate.
سؤال
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Cytokinesis occurs after this phase of mitosis.
سؤال
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Homologous pairs of chromosomes line up midway between the spindle poles.
سؤال
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Sister chromatids joined at their centromeres are attached to spindle fibers.
سؤال
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period prior to mitosis
سؤال
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period commonly followed by cytokinesis
سؤال
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
DNA replicates.
سؤال
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Centromeres break apart as the separated sister chromatids begin to move to opposite poles.
سؤال
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Chromosomes replicate.
سؤال
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
The microtubular spindle develops.
سؤال
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period in which metaphase occurs
سؤال
Imagine a cell entered mitosis but was unable to make microtubules. At what stage of mitosis would it remain?​
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ملء الشاشة (f)
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Deck 11: How Cells Reproduce
1
DNA is replicated during

A) ​anaphase.
B) ​metaphase.
C) ​interphase.
D) ​prophase.
E) ​telophase.
C
2
The accompanying figure reveals which of the following about the organism from which it was obtained?

A) ​type of gene markers
B) ​age.
C) ​deceased or living
D) ​total number of genes
E) ​gender and chromosome number
E
3
In mitosis, if a parent cell has 16 chromosomes, each daughter cell will have how many chromosomes?

A) ​64
B) ​32
C) ​16
D) ​8
E) ​4
C
4
Which of the following is associated with mitosis?

A) fertilization
B) ​somatic cells
C) ​sexual reproduction
D) ​sperm and egg
E) ​germ cells
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5
DNA replication occurs

A) ​before mitosis.
B) ​immediately before prophase of mitosis.
C) ​during prophase of mitosis.
D) ​during metaphase of mitosis.
E) ​at any time during cell division.
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6
Which of the following statements is TRUE?

A) ​Once a person reaches maturity, cell division stops except to repair wounds.
B) ​Cell division in an adult signifies cancer.
C) Select cells throughout the body retain the ability to divide and replace themselves.​
D) ​Growth continues throughout the life of an adult human.
E) ​All cells retain the ability to divide even after the organism reaches maturity.
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7
Strictly speaking, mitosis

A) ​divides the nucleus and doubles the chromosomal number.
B) ​divides the cytoplasm and doubles the chromosomal number.
C) ​divides the chromosomes within the nucleus.
D) ​divides the nucleus and maintains the chromosomal number.
E) ​maintains the structure of the nucleus, cytoplasm, and chromosomes.
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8
The interval stage before the onset of DNA replication is called the

A) ​G1 stage.
B) ​G2 stage.
C) ​M stage.
D) ​S stage.
E) ​G3 stage.
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9
Which statement is TRUE about mitosis in animal cells?

A) ​The location of the centromere is the same for each chromosome.
B) ​All spindle fibers become attached to kinetochores.
C) ​The spindle apparatus is composed of actin protein molecules.
D) ​The spindle begins to disassemble during telophase.
E) ​Some centromeres overlap midway at the spindle.
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10
The number of DNA molecules in a duplicated chromosome is

A) ​one.
B) ​undetermined.
C) ​half that of an unduplicated chromosome.
D) ​two.
E) ​four.
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11
Figure 11.4
<strong>Figure 11.4   In the depiction of the cell cycle in the figure above, what does step 2 represent?</strong> A) a pair of homologous chromosomes in G1. B) two chromosomes in anaphase. C) a pair of duplicated homologous chromosomes in G2 D) the entire genome of the organism. E) a chromosome in telophase.
In the depiction of the cell cycle in the figure above, what does step 2 represent?

A) a pair of homologous chromosomes in G1.
B) two chromosomes in anaphase.
C) a pair of duplicated homologous chromosomes in G2
D) the entire genome of the organism.
E) a chromosome in telophase.
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12
Which of the following results from DNA replication during interphase?

A) ​Each new cell receives half of the number of chromosomes in the original cell.
B) ​Each new cell receives copies of all the original chromosomes.
C) If the original number of chromosomes was 46, each new cell will have 23.
D) The sister chromosomes are not identical due to breakages in the DNA.
E) ​All chromosomes are duplicated except the sex chromosomes.
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13
Which of the following results from mitosis?

A) ​a pair of unidentical twins
B) ​a group of rooted plant cuttings from multiple plants
C) ​the cells produced by the sexual reproduction of a single-celled organism
D) ​two new descendent cells each with a full complement of identical DNA
E) ​completely repaired DNA from damaged parental cells
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14
Which process is absolutely necessary for asexual cellular reproduction to occur in eukaryotes?

A) ​prokaryotic fission
B) ​mitosis
C) ​meiosis
D) doubling of chromosomal number​ in descendent cells
E) ​growth factor activation
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15
Figure 11.4
<strong>Figure 11.4   Homologous chromosomes have the:</strong> A) ​same length but differing genes. B) ​same shape but differing genes C) ​the same genes but differing shapes. D) ​same genes but differing lengths. E) ​same length, shape, and genes.
Homologous chromosomes have the:

A) ​same length but differing genes.
B) ​same shape but differing genes
C) ​the same genes but differing shapes.
D) ​same genes but differing lengths.
E) ​same length, shape, and genes.
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16
The unique feature of HeLa cells that make them important for research is that they are

A) ​identical to all other human cells.
B) ​immortal cells and will grow in culture.
C) ​limited in growth cycles.
D) ​identical to stem cells.
E) ​cannot propagate.
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17
Chromatids that are attached at the centromere are called ____ chromatids?

A) ​mother
B) ​daughter
C) ​sister
D) ​programmed
E) ​either mother or daughter
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18
Chromosomes are copied during what stage of the cell cycle?

A) ​M
B) ​D
C) ​G1
D) ​G2
E) ​S
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19
HeLa cells have been used in research to

A) ​identify cell structures.
B) ​study sickle cell anemia.
C) ​study the effects of hyperoxia on cells.
D) ​study the mechanisms of cancer.
E) ​study various lung diseases.
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20
The spindle apparatus is composed of

A) ​Golgi bodies.
B) ​microtubules.
C) ​endoplasmic reticulum.
D) ​nucleoprotein.
E) ​chromatids.
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21
Cytoplasmic division in animal cells involves _____.

A) ​formation of a cell plate
B) ​formation of a deepening cleavage furrow
C) ​the formation of vesicle clusters
D) ​the formation of a ring of myosin filaments under the plasma membrane at the equator
E) ​the use of ADP
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22
In eukaryotic cells, which occurs during the prophase of mitosis?

A) ​duplication of chromatids
B) ​replication of DNA
C) separation of sister chromatids
D) ​breakup of the nuclear envelope
E) ​appearance of the nuclear envelope
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23
Figure 11.5
<strong>Figure 11.5   During which phase does transcription stop, and the DNA begin to appear grainy and start to condense?</strong> A) ​interphase B) ​early prophase C) ​prophase D) ​anaphase E) ​early anaphase
During which phase does transcription stop, and the DNA begin to appear grainy and start to condense?

A) ​interphase
B) ​early prophase
C) ​prophase
D) ​anaphase
E) ​early anaphase
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24
The chromosomes are aligned midway between spindle poles during

A) ​anaphase.
B) ​metaphase.
C) ​interphase.
D) ​prophase.
E) ​telophase.
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25
Figure 11.5
<strong>Figure 11.5   The cell in panel 3 in the figure is in ___.</strong> A) ​anaphase B) ​metaphase C) ​interphase D) ​prophase E) ​telophase
The cell in panel 3 in the figure is in ___.

A) ​anaphase
B) ​metaphase
C) ​interphase
D) ​prophase
E) ​telophase
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26
Which characteristic is correlated with cancer cells and metastasis?

A) ​gainof nuclear-cytoplasmic controls governing cell growth and division
B) ​changes in adhesion proteins on membrane surfaces
C) ​expansionof the cytoskeleton
D) normal chromosome number
E) ​deceased blood supply to the tumor
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27
Spindles are___.

A) permanent cell structures.​
B) ​present throughout every step of mitosis.
C) ​present during interphase.
D) ​mainly composed of microtubules.
E) ​all identical.
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28
Figure 11.7
<strong>Figure 11.7   This illustration shows</strong> A) ​cytoplasmic division in a plant cell. B) ​cytokinesis viaa contractile ring mechanism. C) ​how chromosomes are dragged to the poles. D) ​chromosome condensation. E) ​an animal cell in interphase.
This illustration shows

A) ​cytoplasmic division in a plant cell.
B) ​cytokinesis viaa contractile ring mechanism.
C) ​how chromosomes are dragged to the poles.
D) ​chromosome condensation.
E) ​an animal cell in interphase.
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29
Which of the following is true about the enzyme telomerase?

A) ​It can re-establish telomere length.
B) ​It is found only in adult cells.
C) ​It is responsible for telomere shortening.
D) ​It may speed up the aging process.
E) ​It is expressed at low levels in cancer cells.
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30
Cancer cells ____.

A) ​have normal plasma membranes.
B) ​have an increased ability to attach to other cells.
C) ​divide slowly to produce low densities of cells.
D) ​show an amplified reliance on ATP formation by fermentation.
E) ​are all malignant.
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31
The nuclear membrane re-forms during

A) ​anaphase.
B) ​metaphase.
C) ​interphase.
D) ​prophase.
E) ​telophase.
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32
When cells are not responding to normal controls over growth and division, they form a tissue mass known as a

A) ​metastasis.
B) ​malignancy.
C) ​tumor.
D) ​carcinogen.
E) ​nucleosome.
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33
Mitosis comes from the Greek word "mitos," which means

A) ​todivide.
B) ​togrow.
C) ​toswell.
D) ​thread.
E) ​toshrink.
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34
Which of the following is typical of cancer cells?

A) Products of oncogenes inhibit mitosis.
B) ​Benign tumors invade normal tissue.
C) ​Malignant cells migrate.
D) ​Cancer cells lose the ability to divide.
E) ​The parent cell of the tumor contains a single mutation in a single checkpoint gene.
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35
Figure 11.5
<strong>Figure 11.5   During which phase do sister chromatids separate?</strong> A) ​interphase B) ​prophase C) ​anaphase D) ​telophase E) ​metaphase
During which phase do sister chromatids separate?

A) ​interphase
B) ​prophase
C) ​anaphase
D) ​telophase
E) ​metaphase
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36
The chromatids detach from one another during

A) ​anaphase.
B) ​metaphase.
C) ​interphase.
D) ​prophase.
E) ​telophase.
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37
Dolly, the cloned sheep, had telomeres that:

A) ​were unusually short.
B) ​were unusually long.
C) ​became longer with each cell division
D) ​did not change in length
E) ​were perfectly normal
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38
Which of the following is true of telomeres?

A) ​They have the sequence ATAGGG.
B) ​They are at in the middle of chromosomes.
C) ​Their sequence can change.
D) ​They shorten with each round of cell replication.
E) ​They have the sequence ATAGTG.
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39
The division of cytoplasm is accomplished during

A) ​prokaryotic fission.
B) ​interphase.
C) ​meiosis.
D) ​cytokinesis.
E) ​karyokinesis.
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40
Which of the following is the proper sequence for mitosis?
I)metaphase
II)telophase
III)prophase
IV)
Anaphase

A) ​I, III, IV, II
B) ​I, II, III, IV
C) ​III, I, IV, II
D) ​IV, I, III, II
E) ​III, IV, I, II
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41
The most common type of skin cancer is __________.
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42
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
metaphase
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43
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
event that divides a cytoplasmic mass​
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44
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
microtubules
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45
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
centriole
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46
After plant mitosis, the vesicles fuse into a disk-shaped __________.
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47
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
centromere
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48
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
telophase
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49
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
last part of interphase in the parent cell​
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50
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period when interphase begins in a cell
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51
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period of nuclear division
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52
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period of cell growth before DNA duplication
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53
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period when DNA is duplicated
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54
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period after DNA is duplicated
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55
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
prophase
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56
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
anaphase
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57
The bipolar spindle is composed of __________.
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58
The __________ that facilitates cytokinesis in animal cells cannot work with plant cells because a stiff cell wall surrounds their __________.
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59
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
cytokinesis
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60
Matching
Choose the one most appropriate response for each.
a.cytoplasmic division
b.final phase of mitosis; daughter nuclei re-form
c.two sister chromatids are joined here
d.chromosomes condense and mitotic spindle begins to form
e.chromosomes line up at spindle equator
f.sister chromatids separate and move to opposite spindle poles
g.form the mitotic spindle
h.half of a chromosome in prophase
i.in pairs in some eukaryotic cells; move to poles during spindle formation
chromatid
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61
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Condensation and shortening of chromosomes occurs.
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62
During which stage of the cell cycle would a cell contain the least total amount of DNA?
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63
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Daughter nuclear membranes form.
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64
How could telomerase inhibitors be used to treat cancer?
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65
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Spindle fibers first appear.
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66
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Genes replicate.
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67
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Cytokinesis occurs after this phase of mitosis.
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68
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Homologous pairs of chromosomes line up midway between the spindle poles.
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69
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Sister chromatids joined at their centromeres are attached to spindle fibers.
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70
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period prior to mitosis
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71
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period commonly followed by cytokinesis
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72
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
DNA replicates.
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73
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Centromeres break apart as the separated sister chromatids begin to move to opposite poles.
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74
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
Chromosomes replicate.
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75
The stages of mitosis plus interphase are listed below. Select the correct phase for each of the following statements.​
a.​interphase
b.​prophase
c.​metaphase
d.​anaphase
e.​telophase
The microtubular spindle develops.
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76
The following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase.​
a.​G2
b.​mitosis
c.​S
d.​G1
e.​cytokinesis
period in which metaphase occurs
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77
Imagine a cell entered mitosis but was unable to make microtubules. At what stage of mitosis would it remain?​
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