Question 1

An enzyme that can facilitate the breakdown of starch into smaller units is

Accepted Answer

A)  glucose phosphatase. 
B)  alcohol dehydrogenase. 
C)  amylase. 
D)  lactase. 
E)  maltase. 
A)  glucose phosphatase. 
B)  alcohol dehydrogenase. 
C)  amylase. 
D)  lactase. 
E)  maltase.

Question 2

Under aerobic conditions, pyruvate is converted to ethanol.

Accepted Answer

A) True 
 B)False

Question 3

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 4

Lysosomes digest and recycle old cell structures.

Accepted Answer

A) True 
 B)False

Question 5

In gluconeogenesis, glucose is synthesized from noncarbohydrate material.

Accepted Answer

A) True 
 B)False

Question 6

NAD+ acts as a hydrogen acceptor in metabolic reactions.

Accepted Answer

A) True 
 B)False

Question 7

The symbol Pi stands for

Accepted Answer

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

Question 8

Muscle contraction is an example of a(n)

Accepted Answer

A)  anabolic process. 
B)  catabolic process. 
C)  glucose storage process. 
D)  protein degradation process. 
E)  lipid hydrolysis process. 
A)  anabolic process. 
B)  catabolic process. 
C)  glucose storage process. 
D)  protein degradation process. 
E)  lipid hydrolysis process.

Question 9

The synthesis of glycogen can be classified as a(n)

Accepted Answer

A)  catabolic reaction. 
B)  anabolic reaction. 
C)  digestion reaction. 
D)  phosphorylation reaction. 
E)  β-oxidation reaction. 
A)  catabolic reaction. 
B)  anabolic reaction. 
C)  digestion reaction. 
D)  phosphorylation reaction. 
E)  β-oxidation reaction.

Question 10

In glycogenesis, excess glucose is used to form glycogen.

Accepted Answer

A) True 
 B)False

Question 11

An acyl group contains at least __________ carbon atom(s).

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
E)  five 
A)  one 
B)  two 
C)  three 
D)  four 
E)  five

Question 12

NAD+ stands for the coenzyme

Accepted Answer

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

Question 13

Glycogenesis obtains energy from

Accepted Answer

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

Question 14

Pantothenic acid is a part of NADH.

Accepted Answer

A) True 
 B)False

Question 15

How many main stages of catabolism are there?

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  four 
E)  five 
A)  one 
B)  two 
C)  three 
D)  four 
E)  five

Question 16

When glycogen is broken down into glucose, the process is called

Accepted Answer

A)  glycogenesis. 
B)  glycogenolysis. 
C)  gluconeogenesis. 
D)  lactate production. 
E)  glucagon production. 
A)  glycogenesis. 
B)  glycogenolysis. 
C)  gluconeogenesis. 
D)  lactate production. 
E)  glucagon production.

Question 17

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

Accepted Answer

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

Question 18

The process by which complex molecules are broken down into simpler ones for the body's use is called

Accepted Answer

A)  metabolism. 
B)  catabolism. 
C)  anabolism. 
D)  glucogenesis. 
E)  gluconeogenesis. 
A)  metabolism. 
B)  catabolism. 
C)  anabolism. 
D)  glucogenesis. 
E)  gluconeogenesis.

Question 19

Reactions in the mitochondria produce most of the cell's energy.

Accepted Answer

A) True 
 B)False

Question 20

The middle stage of catabolism is the point at which

Accepted Answer

A)  acetyl CoA is produced. 
B)  monomers are produced from macromolecules. 
C)  macromolecules are made from monomers. 
D)  glycogen is converted to glucose. 
E)  excess nutrients are stored as fats. 
A)  acetyl CoA is produced. 
B)  monomers are produced from macromolecules. 
C)  macromolecules are made from monomers. 
D)  glycogen is converted to glucose. 
E)  excess nutrients are stored as fats.

Exam 22: Metabolic Pathways for Carbohydrates

An enzyme that can facilitate the breakdown of starch into smaller units is

Under aerobic conditions, pyruvate is converted to ethanol.

Which coenzyme is the electron acceptor in the following reaction?

Lysosomes digest and recycle old cell structures.

In gluconeogenesis, glucose is synthesized from noncarbohydrate material.

NAD+ acts as a hydrogen acceptor in metabolic reactions.

The symbol Pi stands for

Muscle contraction is an example of a(n)

The synthesis of glycogen can be classified as a(n)

In glycogenesis, excess glucose is used to form glycogen.

An acyl group contains at least __________ carbon atom(s).

NAD+ stands for the coenzyme

Glycogenesis obtains energy from

Pantothenic acid is a part of NADH.

How many main stages of catabolism are there?

When glycogen is broken down into glucose, the process is called

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

The process by which complex molecules are broken down into simpler ones for the body's use is called

Reactions in the mitochondria produce most of the cell's energy.

The middle stage of catabolism is the point at which

Chemistry and Measurements

Energy and Matter

Atoms and Elements

Nuclear Chemistry

Compounds and Their Bonds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

Carbohydrates

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

Filters