Question 1

All enzyme names end with the suffix "-ase."

Accepted Answer

A) True 
 B)False

Question 2

To maintain homeostasis, the sodium-potassium pump moves equal amounts of sodium and potassium into and out of the cell.

Accepted Answer

A) True 
 B)False

Question 3

Glycolysis does not require oxygen and is therefore termed anaerobic.

Accepted Answer

A) True 
 B)False

Question 4

Facilitated diffusion and simple diffusion move substances in opposite directions.

Accepted Answer

A) True 
 B)False

Question 5

Diffusion requires:

Accepted Answer

A)   a semipermeable membrane.
B)   a concentration gradient.
C)   ions.
D)   none of the above.E) None of the above
F) B) and C)

Question 6

Which enzymes rearrange atoms within a molecule?

Accepted Answer

A)   Hydrases
B)   Phosphorylating enzymes
C)   Oxidation-reduction enzymes
D)   IsomerasesE) A) and B)
F) None of the above

Question 7

Which of the following is not a passive transport process?

Accepted Answer

A)   Dialysis
B)   Osmosis
C)   Filtration
D)   PhagocytosisE) B) and D)
F) C) and D)

Question 8

Most enzymes cannot catalyze a reaction in both directions.

Accepted Answer

A) True 
 B)False

Question 9

Match each term with its description.
-Part of the cell in which citric acid cycles take place

Accepted Answer

A)  Cytosol
B)  Citric acid cycle
C)  Pyruvic acid
D)  Acetyl coenzyme A
E)  NADF) MitochondriaG) Lactic acidH) Electron transport systemI) AnaerobicJ) GlycolysisK) A) and C)
L) B) and G)

Question 10

The electron transport system makes ATP by the movement of electrons through the inner mitochondrial membrane.

Accepted Answer

A) True 
 B)False

Question 11

The location at which the enzyme molecule binds to the substance it acts on is called the:

Accepted Answer

A)   substrate.
B)   coenzyme.
C)   active site.
D)   cofactor.E) A) and D)
F) B) and C)

Question 12

A side effect of exocytosis is the addition of new membrane material to the cell membrane.

Accepted Answer

A) True 
 B)False

Question 13

Match the name of each enzyme with its function or description.
-Rearrange atoms within a molecule

Accepted Answer

A)  Hydrases
B)  Hydrolases
C)  Phosphorylating enzymes
D)  Mutases or isomerases
E)  Carboxylases or decarboxylasesF) Oxidases and hydrogenasesG) A) and C)
H) D) and F)

Question 14

Coenzymes join enzymes to form proenzymes.

Accepted Answer

A) True 
 B)False

Question 15

Match the name of each enzyme with its function or description.
-Add or remove phosphate groups

Accepted Answer

A)  Hydrases
B)  Hydrolases
C)  Phosphorylating enzymes
D)  Mutases or isomerases
E)  Carboxylases or decarboxylasesF) Oxidases and hydrogenasesG) A) and C)
H) B) and C)

Question 16

The "lock-and-key model" is used to describe how mRNA and tRNA base pairs align.

Accepted Answer

A) True 
 B)False

Question 17

Match each term with its description.
-Carries the end product of glycolysis to the citric acid cycle

Accepted Answer

A)  Cytosol
B)  Citric acid cycle
C)  Pyruvic acid
D)  Acetyl coenzyme A
E)  NADF) MitochondriaG) Lactic acidH) Electron transport systemI) AnaerobicJ) GlycolysisK) G) and H)
L) C) and G)

Question 18

Match the name of each enzyme with its function or description.
-Involved in oxidation-reduction reactions

Accepted Answer

A)  Hydrases
B)  Hydrolases
C)  Phosphorylating enzymes
D)  Mutases or isomerases
E)  Carboxylases or decarboxylasesF) Oxidases and hydrogenasesG) All of the above
H) A) and F)

Question 19

Because of the phospholipid cell membrane, water cannot diffuse into or out of the cell.

Accepted Answer

A) True 
 B)False

Question 20

The process of glycolysis produces two molecules of pyruvic acid for every one molecule of glucose.

Accepted Answer

A) True 
 B)False

Exam 6: Cell Function

Coenzymes join enzymes to form proenzymes.

Correct AnswerverifiedShow Answer

All enzyme names end with the suffix "-ase."

Correct AnswerverifiedShow Answer

The "lock-and-key model" is used to describe how mRNA and tRNA base pairs align.

Correct AnswerverifiedShow Answer

To maintain homeostasis, the sodium-potassium pump moves equal amounts of sodium and potassium into and out of the cell.

Correct AnswerverifiedShow Answer

Match the name of each enzyme with its function or description. -Add or remove phosphate groups

Correct AnswerverifiedShow Answer

The process of glycolysis produces two molecules of pyruvic acid for every one molecule of glucose.

Correct AnswerverifiedShow Answer

Match each term with its description. -Part of the cell in which citric acid cycles take place

Correct AnswerverifiedShow Answer

Glycolysis does not require oxygen and is therefore termed anaerobic.

Correct AnswerverifiedShow Answer

Which enzymes rearrange atoms within a molecule?

Correct AnswerverifiedShow Answer

Which of the following is not a passive transport process?

Correct AnswerverifiedShow Answer

Match each term with its description. -Carries the end product of glycolysis to the citric acid cycle

Correct AnswerverifiedShow Answer

A side effect of exocytosis is the addition of new membrane material to the cell membrane.

Correct AnswerverifiedShow Answer

The electron transport system makes ATP by the movement of electrons through the inner mitochondrial membrane.

Correct AnswerverifiedShow Answer

Facilitated diffusion and simple diffusion move substances in opposite directions.

Correct AnswerverifiedShow Answer

Most enzymes cannot catalyze a reaction in both directions.

Correct AnswerverifiedShow Answer

The location at which the enzyme molecule binds to the substance it acts on is called the:

Correct AnswerverifiedShow Answer

Diffusion requires:

Correct AnswerverifiedShow Answer

Because of the phospholipid cell membrane, water cannot diffuse into or out of the cell.

Correct AnswerverifiedShow Answer

Match the name of each enzyme with its function or description. -Involved in oxidation-reduction reactions

Correct AnswerverifiedShow Answer

Match the name of each enzyme with its function or description. -Rearrange atoms within a molecule

Correct AnswerverifiedShow Answer

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