Deck 7: Cell Cycle

Question 1

The appearance of a cleavage furrow indicates that

A)mitosis is about to begin.
B)cytokinesis is occurring.
C)the cell will soon be entering the S phase.
D)the G₂ phase is coming to an end.
E)the G₀ phase is occurring.

Answer 1

B

Question 2

During which phase(s)of the cell cycle does cytokinesis typically occur?

A)Prophase and metaphase
B)Prophase
C)Interphase
D)Anaphase and telophase
E)Metaphase

Answer 2

D

Question 3

Which of the following is the correct sequence of the phases of interphase?

A)G₀, G₁, G₂
B)G₁, S, G₂
C)S, G₁, G₂
D)G₀,G₁, G₂, S
E)G₁, G₂, S

Answer 3

B

Question 4

Which of the following events occurs during the G₂ phase of the cell cycle?

A)Completion of cell growth and production of enzymes
B)DNA replication
C)Synthesis of substances and materials that will be needed in the S phase
D)Separation of sister chromatids, and migration toward opposite sides of the dividing cell
E)Dispersal of the nucleolus and nuclear envelope

Question 5

Which of the following is NOT true of the differences between plant and animal cells?

A)Plant cells are square or rectangular, while animal cells are more rounded.
B)Plant cells have a cell wall in addition to a plasma membrane, while animal cells only have a plasma membrane.
C)During telophase, the cell plate is found in plant cells, but not in animal cells.
D)Plant cells are more rigid than animal cells.
E)All of these statements are true.

Question 6

The process by which uncommitted cells become committed, specialized, and functional is called ________.

A)cytokinesis
B)differentiation
C)mitosis
D)synthesis
E)cleavage

Question 7

A karyotype shows the gender of an individual, as well as many genetic abnormalities.

Question 8

The phase directly after the G₂ phase in the cell cycle is ________.

A)the S phase
B)telophase
C)interphase
D)prophase
E)anaphase

Question 9

A cell that enters the G₀ phase will die within hours.

Question 10

During which phase of the cell cycle do the chromosomes line up along the midline of the cell, and become attached to the spindle fibers?

A)Telophase
B)Prophase
C)Anaphase
D)Interphase
E)Metaphase

Question 11

The nucleolus and nuclear envelope, which disperse during ________, are reassembled during ________.

A)prophase; metaphase
B)anaphase; telophase
C)prophase; telophase
D)interphase; anaphase
E)prophase; interphase

Question 12

Mitosis refers to nuclear division, and cytokinesis refers to cytoplasmic division.

Question 13

Which of the following events occurs in both the G₁ and the G₂ phases?

A)Mitosis
B)DNA replication
C)Cytokinesis
D)Spindle apparatus formation
E)Cell growth

Question 14

During which phase of the cell cycle is the DNA duplicated?

A)The S phase of interphase
B)Cytokinesis
C)The G₁ phase of interphase
D)Prophase
E)The G₂ phase of interphase

Question 15

Meiosis is a type of cell division unique to gametes, that serves to produce haploid sperm and egg cells.

Question 16

The major phases of the cell cycle are

A)prophase and metaphase.
B)anaphase and telophase.
C)interphase and mitosis.
D)telophase and interphase.
E)mitosis and cytokinesis.