Question 1

What is the transport mechanism by which substances move from the cytoplasm to the outside of the cell?

Accepted Answer

The answer of What is the transport mechanism by which...

Question 2

During anaphase, the chromosomes are moved to the center of the cell.

Accepted Answer

A) True 
 B)False

Question 3

The plasma membrane is composed of all of the following except

Accepted Answer

A)   glycoproteins.
B)   tubulin protein.
C)   phospholipids.
D)   cholesterol.E) All of the above
F) None of the above

Question 4

Chromatin is composed of DNA wound around proteins known as actin.

Accepted Answer

A) True 
 B)False

Question 5

Telomeres are structures that limit the maximum number of times cells can divide.

Accepted Answer

A) True 
 B)False

Question 6

An example of a type of cell with high rates of mitosis is a cell of the skin.

Accepted Answer

A) True 
 B)False

Question 7

In the process of phagocytosis, the organelles whose enzymes break down ingested foreign cells are the

Accepted Answer

A)   lysosomes.
B)   peroxisomes.
C)   smooth endoplasmic reticulum.
D)   nucleoli.E) A) and B)
F) A) and C)

Question 8

The plasma membrane is

Accepted Answer

A)   a single-layered membrane that surrounds the nucleus of the cell.
B)   a membrane composed of tiny shelves or cristae.
C)   a single-layered membrane enclosing the plasma.
D)   the membrane surrounding the cell.E) None of the above
F) B) and C)

Question 9

The longest arrays of microtubules that assemble from each centrosome during prophase form filaments called

Accepted Answer

A)   asters.
B)   kinetochores.
C)   mitotic spindle fibers.
D)   the nuclear envelope.E) B) and C)
F) None of the above

Question 10

The mitotic spindle forms from the

Accepted Answer

A)   nucleus.
B)   nucleolus.
C)   Golgi apparatus.
D)   centrosome matrix.E) A) and B)
F) B) and C)

Question 11

Describe how cellular differentiation results in structural variation among cells in the human body.

Accepted Answer

Cellular differentiation is the result o...

Question 12

This organelle detoxifies a number of toxic substances.

Accepted Answer

A)   Golgi apparatus
B)   lysosome
C)   rough endoplasmic reticulum
D)   mitochondria
E)   peroxisomeF) A) and E)
G) B) and E)

Question 13

Figure 2.2
Use the diagram above to answer the following questions.
-Which letter indicates the DNA molecule?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) All of the above
G) C) and E)

Question 14

The cytoskeletal elements that form a ring to ʺsqueezeʺ the two daughter cells apart during cytokinesis are

Accepted Answer

A)   the microtrabecular lattice.
B)   microfilaments.
C)   intermediate filaments.
D)   microtubules.E) A) and B)
F) All of the above

Question 15

Which is not part of interphase?

Accepted Answer

A)   M
B)   G1
C)   S
D)   G2E) All of the above
F) B) and D)

Question 16

This organelle is characterized by folded membranes called cristae.

Accepted Answer

A)   Golgi apparatus
B)   lysosome
C)   rough endoplasmic reticulum
D)   mitochondria
E)   peroxisomeF) D) and E)
G) A) and E)

Question 17

Ribosomes may be either free within the cytoplasm or bound to a membrane system known as the

Accepted Answer

A)   Golgi apparatus.
B)   cytoskeleton.
C)   microtubule organizing center.
D)   rough endoplasmic reticulum.E) A) and B)
F) A) and C)

Question 18

Membrane-bound organelles have the same type of membrane as the plasma membrane except

Accepted Answer

A)   the nonpolar tails face outward.
B)   they are all covered with ribosomes.
C)   for the absence of a glycocalyx.
D)   for the absence of cholesterol.E) None of the above
F) A) and C)

Question 19

Cell division is analogous to

Accepted Answer

A)   a building forming another building by random accumulation of materials.
B)   a building duplicating its blueprint and then forming a new building by splitting in two.
C)   a building forming another building through a loss of some of its parts.
D)   two buildings duplicating their parts and fusing.E) A) and D)
F) C) and D)

Question 20

Describe the three major types of cytoskeletal elements.

Accepted Answer

Microtubules are the largest in diameter...

Exam 2: The Cell

The plasma membrane is composed of all of the following except

Correct AnswerverifiedShow Answer

An example of a type of cell with high rates of mitosis is a cell of the skin.

Correct AnswerverifiedShow Answer

In the process of phagocytosis, the organelles whose enzymes break down ingested foreign cells are the

Correct AnswerverifiedShow Answer

What is the transport mechanism by which substances move from the cytoplasm to the outside of the cell?

Correct AnswerverifiedShow Answer

Which is not part of interphase?

Correct AnswerverifiedShow Answer

Cell division is analogous to

Correct AnswerverifiedShow Answer

Describe the three major types of cytoskeletal elements.

Correct AnswerverifiedMicrotubules are the largest in diameter...View AnswerShow Answer

The cytoskeletal elements that form a ring to ʺsqueezeʺ the two daughter cells apart during cytokinesis are

Correct AnswerverifiedShow Answer

This organelle is characterized by folded membranes called cristae.

Correct AnswerverifiedShow Answer

The longest arrays of microtubules that assemble from each centrosome during prophase form filaments called

Correct AnswerverifiedShow Answer

During anaphase, the chromosomes are moved to the center of the cell.

Correct AnswerverifiedShow Answer

This organelle detoxifies a number of toxic substances.

Correct AnswerverifiedShow Answer

Membrane-bound organelles have the same type of membrane as the plasma membrane except

Correct AnswerverifiedShow Answer

Figure 2.2 Use the diagram above to answer the following questions. -Which letter indicates the DNA molecule?

Correct AnswerverifiedShow Answer

Telomeres are structures that limit the maximum number of times cells can divide.

Correct AnswerverifiedShow Answer

Describe how cellular differentiation results in structural variation among cells in the human body.

Correct AnswerverifiedCellular differentiation is the result o...View AnswerShow Answer

The mitotic spindle forms from the

Correct AnswerverifiedShow Answer

The plasma membrane is

Correct AnswerverifiedShow Answer

Chromatin is composed of DNA wound around proteins known as actin.

Correct AnswerverifiedShow Answer

Ribosomes may be either free within the cytoplasm or bound to a membrane system known as the

Correct AnswerverifiedShow Answer

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Microtubules are the largest in diameter...
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Cellular differentiation is the result o...
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