Question 1

A single mRNA molecule can be read by more than one ribosome simultaneously.

Accepted Answer

A) True 
 B)False

Question 2

When a cell is dividing, the genetic material is in the compact form of ________.

Accepted Answer

chromosomes
chromosome

Question 3

Most cells in the human body are between 1 μm and 100 μm in diameter.

Accepted Answer

A) True 
 B)False

Question 4

Over time, diffusion results in the even distribution of a substance throughout an area.

Accepted Answer

A) True 
 B)False

Question 5

A membrane that is able to regulate the movement of materials in and out of the cell is described as being ________. (2 words)

Accepted Answer

selectively permeable

Question 6

Transmission electron microscopy (TEM) uses an electron beam to create an image for viewing.

Accepted Answer

A) True 
 B)False

Question 7

Which is not considered part of the cytoplasm?

Accepted Answer

A)   Cytosol
B)   Nucleus
C)   Organelles
D)   InclusionsE) All of the above
F) B) and D)

Question 8

What unit of measurement is often used to measure cell size?

Accepted Answer

A)   Millimeter
B)   Micrometer
C)   Nanometer
D)   CentimeterE) C) and D)
F) B) and D)

Question 9

Which is not characteristic of a cell undergoing apoptosis?

Accepted Answer

A)   Chromatin degradation
B)   Shrinkage in volume
C)   Abnormal development in organelle structure
D)   Abnormal development in plasma membrane structure
E)   No exceptions; all of these are characteristic of a cell undergoing apoptosis.F) A) and B)
G) None of the above

Question 10

Lysosomes contain enzymes that prepare the vesicles that will be used by the Golgi apparatus to package its secretory products.

Accepted Answer

A) True 
 B)False

Question 11

One example of a membrane-bound organelle is a ribosome.

Accepted Answer

A) True 
 B)False

Question 12

________ are barrel-shaped, protein-digesting organelles in both the nucleus and the cytoplasm.

Accepted Answer

The answer of ________ are barrel-shaped, protein-digesting organelles in both...

Question 13

Ribosomes that are attached to the RER are called "free ribosomes."

Accepted Answer

A) True 
 B)False

Question 14

The replication of a DNA molecule during interphase occurs during the

Accepted Answer

A)   first "gap" phase.
B)   S phase.
C)   second "gap" phase.
D)   generation "gap" phase.
E)   metaphase.F) C) and E)
G) C) and D)

Question 15

These junctions hold adjacent cells together and provide resistance to mechanical stress.

Accepted Answer

A)   Gap junctions
B)   Desmosomes
C)   Tight junctions
D)   SynapsesE) A) and C)
F) B) and C)

Question 16

Nuclear ________ are open passageways that penetrate fused regions of the double membrane of the nuclear envelope.

Accepted Answer

The answer of Nuclear ________ are open passageways that penetrate...

Question 17

When a cell is placed in a solution with a very low solute concentration, water diffuses into the cell. Such a solution is called a(n)  ________ solution.

Accepted Answer

A)   hypertonic
B)   hypotonic
C)   isotonic
D)   endergonicE) A) and B)
F) B) and D)

Question 18

Another name for the intracellular fluid is

Accepted Answer

A)   cytosol.
B)   interstitial fluid.
C)   intercellular matrix.
D)   cytoplasm.
E)   cisternae.F) A) and D)
G) B) and D)

Question 19

Which of the following shows the correct sequence of mitosis?

Accepted Answer

A)   Prophase - metaphase - anaphase - telophase
B)   Metaphase - prophase - anaphase - telophase
C)   Telophase - metaphase - prophase - anaphase
D)   Metaphase - telophase - anaphase - prophase
E)   Prophase - anaphase - metaphase - telophaseF) B) and C)
G) B) and E) A

Question 20

Which is an active transport process?

Accepted Answer

A)   Simple diffusion
B)   Bulk filtration
C)   Osmosis
D)   Facilitated diffusion
E)   Ion pumpF) All of the above
G) C) and D)

Exam 4: Biology of the Cell

A single mRNA molecule can be read by more than one ribosome simultaneously.

Correct AnswerverifiedShow Answer

When a cell is dividing, the genetic material is in the compact form of ________.

Correct Answerverifiedchromosomes chromosome

Most cells in the human body are between 1 μm and 100 μm in diameter.

Correct AnswerverifiedShow Answer

Over time, diffusion results in the even distribution of a substance throughout an area.

Correct AnswerverifiedShow Answer

A membrane that is able to regulate the movement of materials in and out of the cell is described as being ________. (2 words)

Correct Answerverifiedselectively permeable

Transmission electron microscopy (TEM) uses an electron beam to create an image for viewing.

Correct AnswerverifiedShow Answer

Which is not considered part of the cytoplasm?

Correct AnswerverifiedShow Answer

What unit of measurement is often used to measure cell size?

Correct AnswerverifiedShow Answer

Which is not characteristic of a cell undergoing apoptosis?

Correct AnswerverifiedShow Answer

Lysosomes contain enzymes that prepare the vesicles that will be used by the Golgi apparatus to package its secretory products.

Correct AnswerverifiedShow Answer

One example of a membrane-bound organelle is a ribosome.

Correct AnswerverifiedShow Answer

________ are barrel-shaped, protein-digesting organelles in both the nucleus and the cytoplasm.

Correct AnswerverifiedShow Answer

Ribosomes that are attached to the RER are called "free ribosomes."

Correct AnswerverifiedShow Answer

The replication of a DNA molecule during interphase occurs during the

Correct AnswerverifiedShow Answer

These junctions hold adjacent cells together and provide resistance to mechanical stress.

Correct AnswerverifiedShow Answer

Nuclear ________ are open passageways that penetrate fused regions of the double membrane of the nuclear envelope.

Correct AnswerverifiedShow Answer

When a cell is placed in a solution with a very low solute concentration, water diffuses into the cell. Such a solution is called a(n) ________ solution.

Correct AnswerverifiedShow Answer

Another name for the intracellular fluid is

Correct AnswerverifiedShow Answer

Which of the following shows the correct sequence of mitosis?

Correct AnswerverifiedA

Which is an active transport process?

Correct AnswerverifiedShow Answer

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chromosomes chromosome

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selectively permeable

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