Deck 4: Organization and Communication

Question 1

The obvious structural difference between the two structures shown below is:

A)the lack of ribosomes on A.
B)the lack of ribosomes on B.
C)the lack of lipids on A.
D)the lack of lipids on B.

Answer 1

A

Question 2

In the diagram of the cell shown here,the organelle responsible for the synthesis of fatty acids and steroid hormones is labeled as:

A)A
B)C
C)E
D)F

Answer 2

C

Question 3

The thinnest cytoskeletal structures,responsible for cellular locomotion and intracellular movements during cell division are:

A)microfilaments.
B)intermediate filaments.
C)microtubules.
D)mitochondria.

Answer 3

A

Question 4

In the diagram of the cell shown here,the organelle responsible for ATP production is labeled as:

A)A
B)B
C)C
D)D

Question 5

After vesicles are created in the endoplasmic reticulum,they usually:

A)fuse with the lysosome and digest its vesicular contents.
B)migrate to the cell membrane to release their contents.
C)fuse with the mitochondrion to provide fuel for ATP production.
D)fuse with the golgi complex for further processing of the contents.

Question 6

What does the structure indicated by the arrow represent?

A)Nuclear envelope
B)Nuclear pore
C)Chromatin
D)Nucleolus

Question 7

In the diagram of the cell shown here,the organelle that determines the overall structure of animal cells is labeled as:

A)A
B)C
C)D
D)E

Question 8

The cell membrane is composed of two layers of:

A)proteins with interspersed lipids.
B)hydrophilic lipids, proteins and sugars.
C)phospholipids, with proteins and sugars interspersed.
D)glycoproteins and glycolipids.

Question 9

What is the function of the part of the cell membrane that the arrow is pointing to below?

A)It improves the fluidity of the membrane.
B)It provides a passage for the transport of ions.
C)It defines the cell as belonging to the body.
D)It creates a hydrophobic barrier to aqueous solutes.

Question 10

Net diffusion has stopped in which image?

A)A
B)B
C)C
D)D

Question 11

The organelle responsible for the conversion of the pollywog to a frog (the loss of the tadpole's tail)is the:

A)golgi complex.
B)mitochondrion.
C)rough endoplasmic reticulum.
D)lysosome.

Question 12

This figure demonstrates the result of placing a cell in a (an)____________ solution.

A)hypotonic
B)hypertonic
C)isotonic
D)hyperosmotic

Question 13

Lipid-soluble materials enter and exit the cell via:

A)osmosis across a carrier protein.
B)diffusion across the cell membrane.
C)diffusion through a transport protein.
D)active transport.

Question 14

The cell theory includes all of the following EXCEPT:

A)All living things are composed of cells.
B)Cells pass on genetic material to daughter cells during cell division.
C)Cells share similar chemical composition.
D)Cells are made up of similar shapes and sizes.

Question 15

In which of the following organelles is DNA found?

A)Golgi body
B)Smooth endoplasmic reticulum
C)Lysosome
D)Nucleus

Question 16

When glucose is moved into cells from a high concentration to a low concentration using transport proteins,it is referred to as:

A)osmosis.
B)diffusion.
C)facilitated diffusion.
D)filtration.

Question 17

In the diagram of the cell shown here,the organelle that houses DNA is labeled as:

A)A
B)B
C)C
D)D

Question 18

Name the structure in this illustration.

A)flagella
B)golgi
C)centrioles
D)lysosome

Question 19

In the diagram of the cell shown here,what is the function of the structure labeled B?

A)digestion
B)support
C)DNA isolation
D)protein production

Question 20

The statement that "all cells arise from preexisting cells" is one of the tenets of the:

A)cell doctrine.
B)cell hypothesis.
C)cell theory.
D)cell dogma.

Question 21

What process is shown in the diagram below?

A)Osmosis
B)Active transport
C)Facilitated diffusion
D)Exocytosis

Question 22

The organelle shown below often functions in what process?

A)Protein production
B)Digestion
C)Support
D)Lipid synthesis

Question 23

Cilia are long whip-like structures that propel the cell forward.

Question 24

Endocytosis is a form of active transport in which substances from the surrounding fluid move into the cell.

Question 25

What is the purpose of cellular respiration?

A)The production of glucose
B)The production of ATP
C)The production of oxygen
D)The production of mitochondria

Question 26

The arrow is pointing to the region where the two chromosome arms are held together.This is referred to as the ______.

A)spindle apparatus.
B)cleavage furrow.
C)chromatin.
D)centromere.

Question 27

In the diagram below,what structure is indicated by the arrow?

A)Chromatin
B)Nuclear pore
C)Nuclear envelope
D)Nucleolus

Question 28

In the diagram below,which process releases the most ATP?

A)1
B)2
C)3
D)4

Question 29

Sodium/potassium ATPase is a reciprocal pump that moves potassium ions into the cell while pumping sodium ions out of the cell.

Question 30

What form of transport uses energy and moves molecules against or "up" their concentration gradient?

A)Passive transport
B)Osmosis
C)Diffusion
D)Active transport

Question 31

Cell-to-cell junctions which allow for instantaneous communication can be found in which kind of cells?

A)Red blood cells
B)Cartilage
C)Heart muscle cells
D)Bone cells

Question 32

What is the name of the process shown in this figure?

A)Active transport
B)Facilitated diffusion
C)Osmosis
D)Diffusion

Question 33

The movement of water from an area of high concentration to an area of low concentration is called:

A)endocytosis.
B)osmosis.
C)active transport.
D)pinocytosis.

Question 34

When a cell is placed in an isotonic solution,water will:

A)move into and out of the cell at an equal rate and not affect the cell.
B)move into the cell and cause the cell to burst.
C)move out of the cell and cause the cell to shrink.
D)move into the cell and cause the cell to shrink.

Question 35

The signaling compound shown in the figure is a:

A)paracrine.
B)autocrine.
C)hormone.
D)apoptosis.

Question 36

A key difference between eukaryotic and prokaryotic cells is that:

A)prokaryotes have a nucleus and eukaryotes do not.
B)prokaryotes have organelles and eukaryotes do not.
C)eukaryotes have a nucleus and prokaryotes do not.
D)eukaryotes have DNA floating in the cytoplasm and prokaryotes do not.

Question 37

The structure below can be found in which organelle?

A)Nucleus
B)Golgi complex
C)Smooth endoplasmic reticulum
D)Centrioles

Question 38

Osmosis is a form of active transport.

Question 39

What process is shown in the diagram below?

A)Osmosis
B)Active transport
C)Facilitated diffusion
D)Exocytosis

Question 40

Paracrines are hormones that:

A)are released into the bloodstream, potentially reaching every cell of the body.
B)are mostly used when quick responses are required.
C)allow physical connections between adjacent cells.
D)provide long-distance communication.

Question 41

Water cannot cross the phospholipid bilayer unless it travels through a protein channel.

Question 42

Facilitated transport moves molecules from low molecule concentrations to high molecule concentrations.

Question 43

Paracrines,secretions produced in one area of the body,travel to and alter the physiological activity of remote cells.

Question 44

The majority of ATP energy production occurs during glycolysis.

Question 45

Nuclear pores allow DNA to escape the nuclear membrane during transcription.

Question 46

The overall function of cellular organelles is to maintain homeostasis.