Question 1

Under aerobic conditions, pyruvate produces

Accepted Answer

A)  acetyl CoA. 
B)    
C)  ethanol. 
D)  carbon dioxide. 
E)  ethanal. 
A)  acetyl CoA. 
B)    
C)  ethanol. 
D)  carbon dioxide. 
E)  ethanal.

Question 2

The metabolic reactions that build new molecules in the cell are classified as

Accepted Answer

A) metabolic. 
B) anabolic. 
C) transamination. 
D) catabolic. 
E) glycolytic. 
A) metabolic. 
B) anabolic. 
C) transamination. 
D) catabolic. 
E) glycolytic.

Question 3

Which coenzyme is used in the following reaction?

Accepted Answer

A)    
B)  FMN 
C)  NADH 
D)  FAD 
E)    
A)    
B)  FMN 
C)  NADH 
D)  FAD 
E)

Question 4

The symbol Pi stands for an

Accepted Answer

A) irreversible phosphorylation. 
B) inorganic phosphate group. 
C) inert pyrophosphate group. 
D) insoluble phosphate group 
E) isomers of phosphate group. 
A) irreversible phosphorylation. 
B) inorganic phosphate group. 
C) inert pyrophosphate group. 
D) insoluble phosphate group 
E) isomers of phosphate group.

Question 5

participates in reactions that produce

Accepted Answer

A)  a   group. 
B)  a   bond. 
C)  ADP from ATP. 
D)  phosphorylation. 
E)  a   bond. 
A)  a   group. 
B)  a   bond. 
C)  ADP from ATP. 
D)  phosphorylation. 
E)  a   bond.

Question 6

The synthesis of glycogen from glucose is called

Accepted Answer

A) glycogenesis. 
B) gluconeogenesis. 
C) glyceration. 
D) glycolysis. 
E) glucogenesis. 
A) glycogenesis. 
B) gluconeogenesis. 
C) glyceration. 
D) glycolysis. 
E) glucogenesis.

Question 7

The net energy production in glycolysis is ________.

Accepted Answer

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

Question 8

Coenzyme A is involved in the ________.

Accepted Answer

A) reduction of carbonyl groups 
B) transfer of acyl groups 
C) transfer of amino groups 
D) oxidation of carbon-carbon bonds 
E) oxidation of C-OH bonds 
A) reduction of carbonyl groups 
B) transfer of acyl groups 
C) transfer of amino groups 
D) oxidation of carbon-carbon bonds 
E) oxidation of C-OH bonds

Question 9

Coenzyme A is a molecule whose function is to

Accepted Answer

A) undergo phosphorylation. 
B) activate enzyme A. 
C) provide energy for the citric acid cycle. 
D) prepare acyl groups for reaction. 
E) help break down macromolecules. 
A) undergo phosphorylation. 
B) activate enzyme A. 
C) provide energy for the citric acid cycle. 
D) prepare acyl groups for reaction. 
E) help break down macromolecules.

Question 10

Glycogenesis obtains energy from

Accepted Answer

A) Pi. 
B) ADP. 
C) pyruvate. 
D) UTP. 
E) pyrophosphate. 
A) Pi. 
B) ADP. 
C) pyruvate. 
D) UTP. 
E) pyrophosphate.

Question 11

NAD+ stands for the coenzyme

Accepted Answer

A) nicotinamide adenine dinucleotide. 
B) niacin adenine dinucleotide. 
C) nicotinic acid diphosphate. 
D) nicotine adenosine dinucleotide. 
E) nicotinamide diphosphate. 
A) nicotinamide adenine dinucleotide. 
B) niacin adenine dinucleotide. 
C) nicotinic acid diphosphate. 
D) nicotine adenosine dinucleotide. 
E) nicotinamide diphosphate.

Question 12

Under aerobic conditions, pyruvate produced in glycolysis can be converted to

Accepted Answer

A) fructose-6-phosphate. 
B) glucose-6-phosphate. 
C) glyceraldehyde-3-phosphate. 
D) lactic acid. 
E) acetyl CoA. 
A) fructose-6-phosphate. 
B) glucose-6-phosphate. 
C) glyceraldehyde-3-phosphate. 
D) lactic acid. 
E) acetyl CoA.

Question 13

Hydrolysis of sucrose takes place primarily in the ________.

Accepted Answer

A) large intestine 
B) stomach 
C) small intestine 
D) mouth 
E) pancreas 
A) large intestine 
B) stomach 
C) small intestine 
D) mouth 
E) pancreas

Question 14

The primary energy source for the brain is

Accepted Answer

A) fructose. 
B) lactate. 
C) triacylglycerols. 
D) glucose. 
E) amino acids. 
A) fructose. 
B) lactate. 
C) triacylglycerols. 
D) glucose. 
E) amino acids.

Question 15

Which of the following is NOT true for eukaryotic cells?

Accepted Answer

A) They have cell membranes. 
B) They contain cytosol, where cell reactions take place. 
C) They do not contain a nucleus. 
D) They are found in animals. 
E) They contain mitochondria. 
A) They have cell membranes. 
B) They contain cytosol, where cell reactions take place. 
C) They do not contain a nucleus. 
D) They are found in animals. 
E) They contain mitochondria.

Question 16

When as much glycogen is stored as possible in the body, excess glucose is converted to

Accepted Answer

A) fructose. 
B) triacylglycerols. 
C) sucrose. 
D) Coenzyme A. 
E) ATP. 
A) fructose. 
B) triacylglycerols. 
C) sucrose. 
D) Coenzyme A. 
E) ATP.

Question 17

Digestion of carbohydrates begins in the

Accepted Answer

A) mouth. 
B) small intestine. 
C) large intestine. 
D) stomach. 
E) pancreas. 
A) mouth. 
B) small intestine. 
C) large intestine. 
D) stomach. 
E) pancreas.

Question 18

The compounds formed when fructose-1, 6-diphosphate is split are

Accepted Answer

A) pyruvic acid and lactic acid. 
B) dihydroxyacetone phosphate and pyruvic acid. 
C) ethanol and acetyl CoA. 
D) glyceraldehyde 3-phosphate and pyruvic acid. 
E) dihydroxyacetone phosphate and glyceraldehyde 3-phosphate. 
A) pyruvic acid and lactic acid. 
B) dihydroxyacetone phosphate and pyruvic acid. 
C) ethanol and acetyl CoA. 
D) glyceraldehyde 3-phosphate and pyruvic acid. 
E) dihydroxyacetone phosphate and glyceraldehyde 3-phosphate.

Exam 22: Metabolic Pathways for Carbohydrates

Under aerobic conditions, pyruvate produces

The metabolic reactions that build new molecules in the cell are classified as

Which coenzyme is used in the following reaction?

The symbol Pi stands for an

participates in reactions that produce

The synthesis of glycogen from glucose is called

The net energy production in glycolysis is ________.

Coenzyme A is involved in the ________.

Coenzyme A is a molecule whose function is to

Glycogenesis obtains energy from

NAD+ stands for the coenzyme

Under aerobic conditions, pyruvate produced in glycolysis can be converted to

Hydrolysis of sucrose takes place primarily in the ________.

The primary energy source for the brain is

Which of the following is NOT true for eukaryotic cells?

When as much glycogen is stored as possible in the body, excess glucose is converted to

Digestion of carbohydrates begins in the

The compounds formed when fructose-1, 6-diphosphate is split are

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