Question 1

During gluconeogenesis,pyruvate is formed from glycerol,certain amino acids,and

Accepted Answer

A) acetyl CoA. 
B) glucose. 
C) lactate. 
D) glycogen. 
A) acetyl CoA. 
B) glucose. 
C) lactate. 
D) glycogen.

Question 2

Glycolysis occurs mainly in the

Accepted Answer

A) cytosol of all cells. 
B) mitochondria of all cells. 
C) muscle. 
D) liver. 
E) brain. 
A) cytosol of all cells. 
B) mitochondria of all cells. 
C) muscle. 
D) liver. 
E) brain.

Question 3

All of the chemicals below are associated with the pentose phosphate pathway except

Accepted Answer

A) glucose 6-phosphate. 
B) NADPH. 
C) ribose. 
D) pyruvate. 
E) NADP. 
A) glucose 6-phosphate. 
B) NADPH. 
C) ribose. 
D) pyruvate. 
E) NADP.

Question 4

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 5

Which conversion is accomplished during glycolysis?

Accepted Answer

A) glucose to glycogen 
B) glucose to pyruvate 
C) starch to glucose 
D) pyruvate to glucose 
E) glycogen to glucose 
A) glucose to glycogen 
B) glucose to pyruvate 
C) starch to glucose 
D) pyruvate to glucose 
E) glycogen to glucose

Question 6

All of the following statements concerning digestion are correct except

Accepted Answer

A) digestion can be considered a catabolic process in which bulk food is broken down into individual small molecules. 
B) the major chemical reaction in digestion is enzyme-catalyzed hydrolysis of large molecules. 
C) the major physical processes in digestion are mixing,softening and grinding of food. 
D) digestion begins in the stomach and is completed in the large intestine. 
E) different foods are digested by different enzymes. 
A) digestion can be considered a catabolic process in which bulk food is broken down into individual small molecules. 
B) the major chemical reaction in digestion is enzyme-catalyzed hydrolysis of large molecules. 
C) the major physical processes in digestion are mixing,softening and grinding of food. 
D) digestion begins in the stomach and is completed in the large intestine. 
E) different foods are digested by different enzymes.

Question 7

The most important goal of glucose metabolism is

Accepted Answer

A) synthesis of oxidized coenzymes. 
B) synthesis of glycogen for later use. 
C) production of ATP as an energy source for all cells. 
D) production of acetyl-CoA for synthesis of lipids. 
E) synthesis of carbon skeletons for amino acid production. 
A) synthesis of oxidized coenzymes. 
B) synthesis of glycogen for later use. 
C) production of ATP as an energy source for all cells. 
D) production of acetyl-CoA for synthesis of lipids. 
E) synthesis of carbon skeletons for amino acid production.

Question 8

Gluconeogenesis occurs mainly in the

Accepted Answer

A) cytosol of all cells. 
B) mitochondria of all cells. 
C) muscle. 
D) liver. 
E) brain. 
A) cytosol of all cells. 
B) mitochondria of all cells. 
C) muscle. 
D) liver. 
E) brain.

Question 9

Match the following.
-gluconeogenesis

Accepted Answer

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

Question 10

Overproduction of insulin causes ________,a state in which the concentration of blood sugar is ________ than normal.

Accepted Answer

A) hypoglycemia;lower 
B) hypoglycemia;higher 
C) hyperglycemia;lower 
D) hyperglycemia;higher 
E) none of the above 
A) hypoglycemia;lower 
B) hypoglycemia;higher 
C) hyperglycemia;lower 
D) hyperglycemia;higher 
E) none of the above

Question 11

The conversion of glucose 6-phosphate to fructose 6-phosphate in the second step of glycolysis is a(an)________ reaction.

Accepted Answer

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

Question 12

Hormones which regulate glucose metabolism are ________,________,and ________.

Accepted Answer

A) insulin;cortisone;thyroxine 
B) insulin;glucagon;epinephrine 
C) estrogen;progesterone;testosterone 
D) growth hormone;cortisone;thyroxine 
E) estrogen;glucagon;epinephrine 
A) insulin;cortisone;thyroxine 
B) insulin;glucagon;epinephrine 
C) estrogen;progesterone;testosterone 
D) growth hormone;cortisone;thyroxine 
E) estrogen;glucagon;epinephrine

Question 13

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

Exam 22: Carbohydrate Metabolism

During gluconeogenesis,pyruvate is formed from glycerol,certain amino acids,and

Glycolysis occurs mainly in the

All of the chemicals below are associated with the pentose phosphate pathway except

The most important monosaccharide for energy production is

Which conversion is accomplished during glycolysis?

All of the following statements concerning digestion are correct except

The most important goal of glucose metabolism is

Gluconeogenesis occurs mainly in the

Match the following. -gluconeogenesis

Overproduction of insulin causes ________,a state in which the concentration of blood sugar is ________ than normal.

The conversion of glucose 6-phosphate to fructose 6-phosphate in the second step of glycolysis is a(an)________ reaction.

Hormones which regulate glucose metabolism are ________,________,and ________.

Which of the following is not a product of digestion?

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

Aldehydes and Ketones

Amines

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

Carbohydrates

The Generation of Biochemical Energy

Lipids

Lipid Metabolism

Protein and Amino Acid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters

Overproduction of insulin causes ,a state in which the concentration of blood sugar is than normal.

Hormones which regulate glucose metabolism are ,,and .