Question 1

During the G1 phase, DNA is replicated in the cytoplasm.

Accepted Answer

A) True 
 B)False

Question 2

This is the name for the currently held theory describing the plasma membrane structure.

Accepted Answer

The answer of This is the name for the currently...

Question 3

During mitosis, the kinetochore microtubules of the mitotic spindle

Accepted Answer

A)   push the two poles of the cell apart.
B)   push on the chromatids.
C)   anchor the centriole to the cell membrane.
D)   attach to chromatids and align them at the metaphase plate.E) C) and D)
F) B) and D)

Question 4

This membranous organelle contains oxidase and catalase enzymes.

Accepted Answer

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

Question 5

This is the diffusion of water molecules across a membrane.

Accepted Answer

The answer of This is the diffusion of water molecules...

Question 6

Which of the following does not pass through nuclear pores?

Accepted Answer

A)   chromatin
B)   messenger RNA
C)   ribosomal RNA
D)   proteinsE) A) and B)
F) A) and C)

Question 7

Hypercholesterolemia is an inherited disease in which the bodyʹs cells lack the protein receptors that bind to cholesterol-delivering LDLs.

Accepted Answer

A) True 
 B)False

Question 8

The face of the Golgi apparatus is to receive spherical vesicles from the rough endoplasmic reticulum.

Accepted Answer

A)   cis; flattened
B)   trans; convex
C)   trans; concave
D)   cis; convexE) All of the above
F) A) and C)

Question 9

Cisternae of this organelle are continuous with the nuclear envelope.

Accepted Answer

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

Question 10

This is the phase in which a cell grows and carries on all its usual metabolic activities.

Accepted Answer

G1 phase o...

Question 11

The stiffest elements of the cytoskeleton, analogous to the bones of the human body, are

Accepted Answer

A)   microtubules.
B)   microfilaments.
C)   the cytosol.
D)   intermediate filaments.E) None of the above
F) B) and C)

Question 12

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

Accepted Answer

A) True 
 B)False

Question 13

The nuclear envelope is continuous with the rough ER, but it differs from the rough ER in that it

Accepted Answer

A)   consists of tubes, like the smooth ER.
B)   has unique pores.
C)   consists of two membranes separated by a space.
D)   is not associated with ribosomes.E) B) and C)
F) A) and D)

Question 14

Microtubules are composed of actin.

Accepted Answer

A) True 
 B)False

Question 15

Figure 2.1
Use the diagram above to answer the following questions.
-Which letter indicates the plasma membrane?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) C) and D)
G) A) and C)

Question 16

Cytokinesis is the physical division of the cytoplasm between the two newly formed cells that result from mitosis.

Accepted Answer

A) True 
 B)False

Question 17

Ribosomes consist of two subunits, each surrounded by a membrane.

Accepted Answer

A) True 
 B)False

Question 18

Of the following, the only organelle that has a double membrane structure is the

Accepted Answer

A)   Golgi apparatus.
B)   mitochondrion.
C)   endoplasmic reticulum.
D)   centriole.E) B) and C)
F) None of the above

Question 19

Figure 2.1
Use the diagram above to answer the following questions.
-Which letter indicates the Golgi apparatus?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) A) and B)
G) A) and E)

Question 20

Which type of endocytosis ingests the most specific type of molecule?

Accepted Answer

A)   receptor-mediated endocytosis
B)   pinocytosis
C)   phagocytosis
D)   fluid-phase endocytosisE) None of the above
F) C) and D)

Exam 2: Cells: the Living Units

Figure 2.1 Use the diagram above to answer the following questions. -Which letter indicates the plasma membrane?

Correct AnswerverifiedShow Answer

This is the phase in which a cell grows and carries on all its usual metabolic activities.

Correct AnswerverifiedG1 phase o...View AnswerShow Answer

Cytokinesis is the physical division of the cytoplasm between the two newly formed cells that result from mitosis.

Correct AnswerverifiedShow Answer

This is the diffusion of water molecules across a membrane.

Correct AnswerverifiedShow Answer

Which of the following does not pass through nuclear pores?

Correct AnswerverifiedShow Answer

Figure 2.1 Use the diagram above to answer the following questions. -Which letter indicates the Golgi apparatus?

Correct AnswerverifiedShow Answer

The nuclear envelope is continuous with the rough ER, but it differs from the rough ER in that it

Correct AnswerverifiedShow Answer

Which type of endocytosis ingests the most specific type of molecule?

Correct AnswerverifiedShow Answer

Hypercholesterolemia is an inherited disease in which the bodyʹs cells lack the protein receptors that bind to cholesterol-delivering LDLs.

Correct AnswerverifiedShow Answer

Microtubules are composed of actin.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The stiffest elements of the cytoskeleton, analogous to the bones of the human body, are

Correct AnswerverifiedShow Answer

During the G1 phase, DNA is replicated in the cytoplasm.

Correct AnswerverifiedShow Answer

Cisternae of this organelle are continuous with the nuclear envelope.

Correct AnswerverifiedShow Answer

The face of the Golgi apparatus is to receive spherical vesicles from the rough endoplasmic reticulum.

Correct AnswerverifiedShow Answer

This is the name for the currently held theory describing the plasma membrane structure.

Correct AnswerverifiedShow Answer

Of the following, the only organelle that has a double membrane structure is the

Correct AnswerverifiedShow Answer

Ribosomes consist of two subunits, each surrounded by a membrane.

Correct AnswerverifiedShow Answer

During mitosis, the kinetochore microtubules of the mitotic spindle

Correct AnswerverifiedShow Answer

This membranous organelle contains oxidase and catalase enzymes.

Correct AnswerverifiedShow Answer

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