Question 1

Match the following.
-glycogenolysis

Accepted Answer

A) the conversion of glucose into glycogen 
B) the conversion of glucose into carbohydrate molecules containing phosphate
groups and five carbon atoms 
C) the production of glucose from noncarbohydrate sources 
D) the conversion of glycogen into glucose 
E) the conversion of glucose into pyruvate 
A) the conversion of glucose into glycogen 
B) the conversion of glucose into carbohydrate molecules containing phosphate
groups and five carbon atoms 
C) the production of glucose from noncarbohydrate sources 
D) the conversion of glycogen into glucose 
E) the conversion of glucose into pyruvate D

Question 2

Which pathway produces glucose from its storage form in animals?

Accepted Answer

A) glycolysis 
B) glycogenolysis 
C) gluconeogenesis 
D) glycogenesis 
E) lipogenesis 
A) glycolysis 
B) glycogenolysis 
C) gluconeogenesis 
D) glycogenesis 
E) lipogenesis B

Question 3

A high energy phosphate molecule involved in gluconeogenesis is ________.

Accepted Answer

A) UDP 
B) UTP 
C) GDP 
D) GTP 
E) ADP 
A) UDP 
B) UTP 
C) GDP 
D) GTP 
E) ADP D

Question 4

Which of the following is not a product of digestion?

Accepted Answer

A) amino acids 
B) fatty acids 
C) glucose 
D) glycerol 
E) pyruvate 
A) amino acids 
B) fatty acids 
C) glucose 
D) glycerol 
E) pyruvate

Question 5

When a person is deprived of food,in which order does the body use the following sources to produce glucose?
I.protein breakdown to amino acids used for gluconeogenesis
II.conversion of glycogen to glucose
III.catabolism of lipids

Accepted Answer

A) I,II,III 
B) III,II,I 
C) II,I,III 
D) II,III,I 
E) III,I,II 
A) I,II,III 
B) III,II,I 
C) II,I,III 
D) II,III,I 
E) III,I,II

Question 6

Which chemical is produced from pyruvate when it is metabolized in muscle cells under aerobic conditions?

Accepted Answer

A) lactate 
B) ethanol 
C) acetyl-SCoA 
D) phosphoenol pyruvate 
E) glucose 
A) lactate 
B) ethanol 
C) acetyl-SCoA 
D) phosphoenol pyruvate 
E) glucose

Question 7

The most important monosaccharide for energy production is

Accepted Answer

A) glucose. 
B) galactose. 
C) fructose. 
D) ribose. 
E) mannose. 
A) glucose. 
B) galactose. 
C) fructose. 
D) ribose. 
E) mannose.

Question 8

The enzyme that catalyzes cleavage of fructose 1,6-bisphosphate to dihydroxyacetone phosphate and D-glyceraldehyde-3-phosphate is ________.

Accepted Answer

A) aldolase 
B) D-glyceraldehyde-3-phosphatase 
C) phosphofructokinase 
D) hexokinase 
E) none of the above 
A) aldolase 
B) D-glyceraldehyde-3-phosphatase 
C) phosphofructokinase 
D) hexokinase 
E) none of the above

Question 9

Which chemical is produced from pyruvate when it is metabolized by yeast cells?

Accepted Answer

A) lactate 
B) ethanol 
C) acetyl-SCoA 
D) phosphoenol pyruvate 
E) glucose 
A) lactate 
B) ethanol 
C) acetyl-SCoA 
D) phosphoenol pyruvate 
E) glucose

Question 10

The first step of glycolysis involves ________ to form ________.

Accepted Answer

A) esterification; glucose-6-phosphate 
B) oxidation; glucose -6-phosphate 
C) addition; fructose-1,6-diphosphate 
D) esterification; glucose-1-phosphate 
E) isomerization; fructose-6-phosphate 
A) esterification; glucose-6-phosphate 
B) oxidation; glucose -6-phosphate 
C) addition; fructose-1,6-diphosphate 
D) esterification; glucose-1-phosphate 
E) isomerization; fructose-6-phosphate

Question 11

In the first step of glycolysis,the conversion of glucose to glucose 6-phosphate is known as

Accepted Answer

A) isomerization. 
B) reduction. 
C) oxidation. 
D) phosphorylation. 
E) dehydration. 
A) isomerization. 
B) reduction. 
C) oxidation. 
D) phosphorylation. 
E) dehydration.

Question 12

The products of glycolysis important in metabolism are

Accepted Answer

A) acetyl-SCoA and ATP. 
B) pyruvate,ATP,and NADH. 
C) CO2,ATP,and NADH. 
D) pyruvate,ADP,and NAD+. 
E) CO2 and H2O. 
A) acetyl-SCoA and ATP. 
B) pyruvate,ATP,and NADH. 
C) CO2,ATP,and NADH. 
D) pyruvate,ADP,and NAD+. 
E) CO2 and H2O.

Question 13

The pain and cramps that occur during physical exhaustion are associated with the formation of excess

Accepted Answer

A) lactate. 
B) pyruvate. 
C) acetyl-CoA. 
D) acetaldehyde. 
E) glucose. 
A) lactate. 
B) pyruvate. 
C) acetyl-CoA. 
D) acetaldehyde. 
E) glucose.

Question 14

Conversion of dihydroxyacetone phosphate to D-glyceraldehyde 3-phosphate is a(an)________.

Accepted Answer

A) isomerization 
B) oxidation 
C) reduction 
D) esterification 
E) condensation 
A) isomerization 
B) oxidation 
C) reduction 
D) esterification 
E) condensation

Question 15

Glycogenolysis does not occur in muscle tissue because it lacks which of the following enzymes?

Accepted Answer

A) glucose-6-phosphatase 
B) glycogen phosphorylase 
C) phosphoglucomutase 
D) pyruvate kinase 
A) glucose-6-phosphatase 
B) glycogen phosphorylase 
C) phosphoglucomutase 
D) pyruvate kinase

Question 16

If a glucose tolerance test shows an abnormally high level of glucose in the blood after several hours,the person is possibly

Accepted Answer

A) hypoglycemic. 
B) diabetic. 
C) anemic. 
D) overweight. 
A) hypoglycemic. 
B) diabetic. 
C) anemic. 
D) overweight.

Question 17

Match the following.
-glycogenesis

Accepted Answer

A) the conversion of glucose into glycogen 
B) the conversion of glucose into carbohydrate molecules containing phosphate
groups and five carbon atoms 
C) the production of glucose from noncarbohydrate sources 
D) the conversion of glycogen into glucose 
E) the conversion of glucose into pyruvate 
A) the conversion of glucose into glycogen 
B) the conversion of glucose into carbohydrate molecules containing phosphate
groups and five carbon atoms 
C) the production of glucose from noncarbohydrate sources 
D) the conversion of glycogen into glucose 
E) the conversion of glucose into pyruvate

Question 18

Match the following.
-gluconeogenesis

Accepted Answer

A) the conversion of glucose into glycogen 
B) the conversion of glucose into carbohydrate molecules containing phosphate
groups and five carbon atoms 
C) the production of glucose from noncarbohydrate sources 
D) the conversion of glycogen into glucose 
E) the conversion of glucose into pyruvate 
A) the conversion of glucose into glycogen 
B) the conversion of glucose into carbohydrate molecules containing phosphate
groups and five carbon atoms 
C) the production of glucose from noncarbohydrate sources 
D) the conversion of glycogen into glucose 
E) the conversion of glucose into pyruvate

Question 19

Match the following.
-glycolysis

Accepted Answer

A) the conversion of glucose into glycogen 
B) the conversion of glucose into carbohydrate molecules containing phosphate
groups and five carbon atoms 
C) the production of glucose from noncarbohydrate sources 
D) the conversion of glycogen into glucose 
E) the conversion of glucose into pyruvate 
A) the conversion of glucose into glycogen 
B) the conversion of glucose into carbohydrate molecules containing phosphate
groups and five carbon atoms 
C) the production of glucose from noncarbohydrate sources 
D) the conversion of glycogen into glucose 
E) the conversion of glucose into pyruvate

Question 20

When energy is needed and adequate oxygen is available,pyruvate is converted to ________.

Accepted Answer

A) glucose 
B) glycogen 
C) lactate 
D) ethanol 
E) acetyl-SCoA 
A) glucose 
B) glycogen 
C) lactate 
D) ethanol 
E) acetyl-SCoA

Exam 22: Carbohydrate Metabolism

Match the following. -glycogenolysis

Which pathway produces glucose from its storage form in animals?

A high energy phosphate molecule involved in gluconeogenesis is ________.

Which of the following is not a product of digestion?

When a person is deprived of food,in which order does the body use the following sources to produce glucose? I.protein breakdown to amino acids used for gluconeogenesis II.conversion of glycogen to glucose III.catabolism of lipids

Which chemical is produced from pyruvate when it is metabolized in muscle cells under aerobic conditions?

The most important monosaccharide for energy production is

The enzyme that catalyzes cleavage of fructose 1,6-bisphosphate to dihydroxyacetone phosphate and D-glyceraldehyde-3-phosphate is ________.

Which chemical is produced from pyruvate when it is metabolized by yeast cells?

The first step of glycolysis involves ________ to form ________.

In the first step of glycolysis,the conversion of glucose to glucose 6-phosphate is known as

The products of glycolysis important in metabolism are

The pain and cramps that occur during physical exhaustion are associated with the formation of excess

Conversion of dihydroxyacetone phosphate to D-glyceraldehyde 3-phosphate is a(an)________.

Glycogenolysis does not occur in muscle tissue because it lacks which of the following enzymes?

If a glucose tolerance test shows an abnormally high level of glucose in the blood after several hours,the person is possibly

Match the following. -glycogenesis

Match the following. -gluconeogenesis

Match the following. -glycolysis

When energy is needed and adequate oxygen is available,pyruvate is converted to ________.

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Amines

Aldehydes and Ketones

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

The Generation of Biochemical Energy

Carbohydrates

Lipids

Lipid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Protein and Amino Acid Metabolism

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters

The first step of glycolysis involves to form .