Question 1

Which of the following does not require energy from ATP hydrolysis?

Accepted Answer

A) digestion 
B) muscle contraction 
C) transport across cell membranes 
D) sending nerve signals 
E) synthesis of an enzyme 
A) digestion 
B) muscle contraction 
C) transport across cell membranes 
D) sending nerve signals 
E) synthesis of an enzyme A

Question 2

FAD stands for

Accepted Answer

A) flavin adenosine dinucleotide. 
B) folic acid diphosphate. 
C) fumarate alcohol dehydrogenase. 
D) folate adenosine diphosphate. 
E) flavin adenine dinucleotide. 
A) flavin adenosine dinucleotide. 
B) folic acid diphosphate. 
C) fumarate alcohol dehydrogenase. 
D) folate adenosine diphosphate. 
E) flavin adenine dinucleotide. E

Question 3

The overall process of glycolysis

Accepted Answer

A) requires oxygen. 
B) uses up 4 ATP molecules. 
C) requires acetyl CoA. 
D) is an anabolic pathway. 
E) produces 2 ATP molecules. 
A) requires oxygen. 
B) uses up 4 ATP molecules. 
C) requires acetyl CoA. 
D) is an anabolic pathway. 
E) produces 2 ATP molecules. E

Question 4

Overall, catabolic reactions

Accepted Answer

A) release energy. 
B) take in energy. 
C) occur mainly in the liver. 
D) occur outside the cell membrane. 
E) take place in the nucleus of the cell. 
A) release energy. 
B) take in energy. 
C) occur mainly in the liver. 
D) occur outside the cell membrane. 
E) take place in the nucleus of the cell.

Question 5

In biochemical systems, the term reduction often refers to

Accepted Answer

A) a loss of hydrogen or electrons by a compound. 
B) a gain of hydrogen or electrons by a compound. 
C) a gain in oxygen. 
D) a loss of electrons. 
E) an energy-releasing reaction. 
A) a loss of hydrogen or electrons by a compound. 
B) a gain of hydrogen or electrons by a compound. 
C) a gain in oxygen. 
D) a loss of electrons. 
E) an energy-releasing reaction.

Question 6

ATP contains a ribose sugar.

Accepted Answer

A) True 
 B)False

Question 7

Most of the digestion of carbohydrates occurs in the stomach.

Accepted Answer

A) True 
 B)False

Question 8

NAD+ acts as a hydrogen acceptor in metabolic reactions.

Accepted Answer

A) True 
 B)False

Question 9

The hydrolysis of ATP to ADP is

Accepted Answer

A) endothermic. 
B) exothermic. 
C) isothermic. 
D) an oxidation. 
E) a reduction. 
A) endothermic. 
B) exothermic. 
C) isothermic. 
D) an oxidation. 
E) a reduction.

Question 10

The net energy production in anaerobic glycolysis is ________.

Accepted Answer

A) 2 ATP 
B) 4 ATP 
C) 6 ATP 
D) 8 ATP 
E) 12 ATP 
A) 2 ATP 
B) 4 ATP 
C) 6 ATP 
D) 8 ATP 
E) 12 ATP

Question 11

The energy from the hydrolysis of ATP to ADP is

Accepted Answer

A) 31 kcal/mole. 
B) 7.3 kcal/mole. 
C) 73 kcal/mole. 
D) 10. kcal/mole. 
E) 4.0 kcal/mole. 
A) 31 kcal/mole. 
B) 7.3 kcal/mole. 
C) 73 kcal/mole. 
D) 10. kcal/mole. 
E) 4.0 kcal/mole.

Question 12

FADH2 is the oxidized form of FAD.

Accepted Answer

A) True 
 B)False

Question 13

The process of building up new molecules in the cell is called

Accepted Answer

A) metabolism. 
B) catabolism. 
C) anabolism. 
D) glycolysis. 
E) transamination. 
A) metabolism. 
B) catabolism. 
C) anabolism. 
D) glycolysis. 
E) transamination.

Question 14

In gluconeogenesis, glucose is synthesized from noncarbohydrate material.

Accepted Answer

A) True 
 B)False

Question 15

Digestion of carbohydrates begins in the mouth.

Accepted Answer

A) True 
 B)False

Question 16

The production of carbon dioxide and water in the body is an anabolic process.

Accepted Answer

A) True 
 B)False

Question 17

The components of ATP are

Accepted Answer

A) adenosine, ribose, and triphosphate. 
B) aniline and triphosphate. 
C) alanine, ribose, and triphosphate. 
D) adenine, ribose, and triphosphate. 
E) adenosine, deoxyribose, and triphosphate. 
A) adenosine, ribose, and triphosphate. 
B) aniline and triphosphate. 
C) alanine, ribose, and triphosphate. 
D) adenine, ribose, and triphosphate. 
E) adenosine, deoxyribose, and triphosphate.

Question 18

Which coenzyme is the electron acceptor in the following reaction?

Accepted Answer

A) FAD 
B) NAD+ 
C) FMN 
D) NADH 
E) FADH2 
A) FAD 
B) NAD+ 
C) FMN 
D) NADH 
E) FADH2

Question 19

Which of the following metabolic pathways can occur in the absence of oxygen?

Accepted Answer

A) electron transport 
B) oxidative phosphorylation 
C) citric acid cycle 
D) glycolysis 
E) β-oxidation 
A) electron transport 
B) oxidative phosphorylation 
C) citric acid cycle 
D) glycolysis 
E) β-oxidation

Question 20

Under anaerobic conditions, lactate is produced from

Accepted Answer

A) acetyl CoA. 
B) pyruvate. 
C) ATP. 
D) carbon dioxide. 
E) NAD+. 
A) acetyl CoA. 
B) pyruvate. 
C) ATP. 
D) carbon dioxide. 
E) NAD+.

Exam 22: Metabolic Pathways for Carbohydrates

Which of the following does not require energy from ATP hydrolysis?

FAD stands for

The overall process of glycolysis

Overall, catabolic reactions

In biochemical systems, the term reduction often refers to

ATP contains a ribose sugar.

Most of the digestion of carbohydrates occurs in the stomach.

NAD+ acts as a hydrogen acceptor in metabolic reactions.

The hydrolysis of ATP to ADP is

The net energy production in anaerobic glycolysis is ________.

The energy from the hydrolysis of ATP to ADP is

FADH2 is the oxidized form of FAD.

The process of building up new molecules in the cell is called

In gluconeogenesis, glucose is synthesized from noncarbohydrate material.

Digestion of carbohydrates begins in the mouth.

The production of carbon dioxide and water in the body is an anabolic process.

The components of ATP are

Which coenzyme is the electron acceptor in the following reaction?

Which of the following metabolic pathways can occur in the absence of oxygen?

Under anaerobic conditions, lactate is produced from

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