Question 1

In bacterial cells and plant cells, cell walls function in

Accepted Answer

A)   moving organelles throughout the cell.
B)   maintaining cell shape.
C)   producing the cytoskeleton.
D)   containing DNA.
E)   modifying lipids and proteins.

Question 2

Without receptor proteins, a cell would not be able to

Accepted Answer

A)   transport water into the cytoplasm.
B)   bind to signal proteins from other parts of the body.
C)   allow the passage of H+ ions into the cell.
D)   perform metabolic reactions.
E)   divide.

Question 3

The main structural component of a plant cell wall is

Accepted Answer

A)   cytoskeleton.
B)   cellulose.
C)   extracellular matrix.
D)   plasmodesmata.
E)   middle lamella. B

Question 4

Receptor proteins

Accepted Answer

A)   receive incoming nutrients and store them until they are needed by the cell.
B)   only function in very specific cell types that receive sensory information.
C)   transmit information from outside the cell so that the cell can respond to stimuli.
D)   are found embedded in the nuclear membrane and transmit information to the cell's cytoplasm on how to make a protein from the DNA.
E)   receive large molecules and transmit them through the membrane. C

Question 5

Which of the following is an incorrect match?

Accepted Answer

A)   ribosomes - protein synthesis
B)   Golgi apparatus - protein alteration and packaging
C)   mitochondria - production of cellular ATP
D)   lysosomes - cellular digestion
E)   smooth endoplasmic reticulum - storage of water

Question 6

Where do the vesicles that are being made for secretion from the cell become modified and packaged?

Accepted Answer

A)   smooth ER
B)   rough ER
C)   Golgi apparatus
D)   ribosomes
E)   plasma membrane

Question 7

Since the plasma membrane blocks the passage of all but a few molecules with specific traits, it is necessary for other molecules to

Accepted Answer

A)   pass through the membrane via pores made of carbohydrates.
B)   be broken down into their constituent atoms to move through the membrane.
C)   be converted into other types of molecules so that they meet the specific traits necessary.
D)   pass through the membrane via nucleic acids.
E)   pass through the membrane via proteins.

Question 8

Both plants and animals need mitochondria to

Accepted Answer

A)   produce glucose.
B)   produce ATP.
C)   produce lipids.
D)   break down proteins.
E)   manufacture phospholipids.

Question 9

Which of the following organelles would be abundant in a sperm cell that is seeking to fertilize an egg cell?

Accepted Answer

A)   mitochondria
B)   lysosomes
C)   smooth endoplasmic reticulum
D)   Golgi apparatus
E)   ribosomes

Question 10

Without tight junctions in certain tissues,

Accepted Answer

A)   cells would not be able to communicate with each other.
B)   fluids may leak out past the barrier the junction would create.
C)   the tissues would not be able to expand and stretch without damage.
D)   nutrients would not be able to be passed from cell to cell.
E)   cells would not be able to migrate during their development.

Question 11

Which of the following is an incorrect match of molecule to the location where it is principally used?

Accepted Answer

A)   DNA - nucleus
B)   mRNA - nucleus and cytoplasm
C)   rRNA - cytoplasm
D)   glucose - lysosome
E)   proteins - ribosome

Question 12

Surface-to-volume ratio is an important characteristic for cell function; some cells increase their ratio by

Accepted Answer

A)   developing finger-like projections.
B)   having multiple membranes surrounding them.
C)   growing extremely large to increase their surface area.
D)   using amoeboid movement to spread out farther.
E)   using phagocytosis to pull the membrane inward.

Question 13

Cell size is limited because ________ is critical to a cell's function.

Accepted Answer

A)   the number of microvilli
B)   the size of the nucleus
C)   cilia movement
D)   surface-area-to-volume ratio
E)   the ability to photosynthesize

Question 14

Which of the following organelles is not surrounded by a membrane?

Accepted Answer

A)   nucleus
B)   chloroplast
C)   mitochondrion
D)   lysosomes
E)   ribosomes

Question 15

Mitochondria and chloroplasts are similar in that they both ________, but are different in that mitochondria, but not chloroplasts, ________.

Accepted Answer

A)   are involved in energy conversions; are found in nearly all eukaryotic cells
B)   are found in bacteria; are used to capture radiant energy and convert it into chemical energy
C)   are organelles involved in the production of proteins; are found in animal cells
D)   produce glucose needed for cellular processes; are found in plant cells
E)   are responsible for cell movements; help to produce the microtubules seen in cilia

Question 16

Which of the following human cells would contain cilia?

Accepted Answer

A)   red blood cell
B)   sperm
C)   cell from the trachea windpipe) 
D)   neuron
E)   bone cell

Question 17

The nuclear membrane differs from the plasma membrane in that the nuclear membrane is a single layer of phospholipids.

Accepted Answer

A) True 
 B)False  False

Question 18

Which of the following is not a function of junction proteins?

Accepted Answer

A)   to stitch cells together so that they do not move apart
B)   to allow information to pass between adjacent cells
C)   to bind cells together into a functional organ
D)   to permit cells to recognize one another
E)   to allow cell-to-cell communication

Question 19

Which of the following structures would not be found in a prokaryotic cell?

Accepted Answer

A)   cell membrane
B)   nucleus
C)   ribosomes
D)   flagella
E)   chromosomes

Question 20

A general eukaryotic cell is typically in the area of

Accepted Answer

A)   0-1 mm.
B)   1-10 nm.
C)   1-10 micrometers.
D)   10-100 micrometers.
E)   10-100 mm.

Exam 4: Inside the Cell

In bacterial cells and plant cells, cell walls function in

Correct AnswerverifiedShow Answer

Without receptor proteins, a cell would not be able to

Correct AnswerverifiedShow Answer

The main structural component of a plant cell wall is

Correct AnswerverifiedB

Receptor proteins

Correct AnswerverifiedC

Which of the following is an incorrect match?

Correct AnswerverifiedShow Answer

Where do the vesicles that are being made for secretion from the cell become modified and packaged?

Correct AnswerverifiedShow Answer

Since the plasma membrane blocks the passage of all but a few molecules with specific traits, it is necessary for other molecules to

Correct AnswerverifiedShow Answer

Both plants and animals need mitochondria to

Correct AnswerverifiedShow Answer

Which of the following organelles would be abundant in a sperm cell that is seeking to fertilize an egg cell?

Correct AnswerverifiedShow Answer

Without tight junctions in certain tissues,

Correct AnswerverifiedShow Answer

Which of the following is an incorrect match of molecule to the location where it is principally used?

Correct AnswerverifiedShow Answer

Surface-to-volume ratio is an important characteristic for cell function; some cells increase their ratio by

Correct AnswerverifiedShow Answer

Cell size is limited because ________ is critical to a cell's function.

Correct AnswerverifiedShow Answer

Which of the following organelles is not surrounded by a membrane?

Correct AnswerverifiedShow Answer

Mitochondria and chloroplasts are similar in that they both ________, but are different in that mitochondria, but not chloroplasts, ________.

Correct AnswerverifiedShow Answer

Which of the following human cells would contain cilia?

Correct AnswerverifiedShow Answer

The nuclear membrane differs from the plasma membrane in that the nuclear membrane is a single layer of phospholipids.

Correct AnswerverifiedFalse

Which of the following is not a function of junction proteins?

Correct AnswerverifiedShow Answer

Which of the following structures would not be found in a prokaryotic cell?

Correct AnswerverifiedShow Answer

A general eukaryotic cell is typically in the area of

Correct AnswerverifiedShow Answer

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Mitochondria and chloroplasts are similar in that they both , but are different in that mitochondria, but not chloroplasts, .

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False

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