Question 1

NADPH serves as a reducing agent in the biosynthesis of fatty acids.

Accepted Answer

A) True 
 B)False

Question 2

The acetyl CoA that is metabolized in the morning before breakfast is mostly derived from the catabolism of what types of molecules?

Accepted Answer

A) proteins 
B) carbohydrates 
C) amino acids 
D) glycogen 
E) fatty acids 
A) proteins 
B) carbohydrates 
C) amino acids 
D) glycogen 
E) fatty acids

Question 3

Complete oxidation of fatty acids yields more energy than complete oxidation of an equal mass of glucose.

Accepted Answer

A) True 
 B)False

Question 4

Which of the following is NOT one of the ketone bodies produced in ketogenesis?

Accepted Answer

A) β-hydroxybutyrate 
B) acetone 
C) sodium acetate 
D) acetoacetate 
E) All of the choices are ketone bodies. 
A) β-hydroxybutyrate 
B) acetone 
C) sodium acetate 
D) acetoacetate 
E) All of the choices are ketone bodies.

Question 5

Triacylglycerols and triglycerides are two names for the same type of compounds.

Accepted Answer

A) True 
 B)False

Question 6

What component of bile is required to form micelles of triglycerides in the duodenum?

Accepted Answer

A) lecithin 
B) cholesterol 
C) protein 
D) bile salts 
E) inorganic ions 
A) lecithin 
B) cholesterol 
C) protein 
D) bile salts 
E) inorganic ions

Question 7

Which two electron carriers are produced in each cycle of β-oxidation?

Accepted Answer

A) NADH and NADPH 
B) NADH and FAD 
C) NAD+ and FAD 
D) NADH and FADH2 
E) NADPH and FADH2 
A) NADH and NADPH 
B) NADH and FAD 
C) NAD+ and FAD 
D) NADH and FADH2 
E) NADPH and FADH2

Question 8

What is the major storage site for triglycerides?

Accepted Answer

A) in the cells of the small intestine 
B) in mitochondria 
C) in the cytoplasm of adipocytes 
D) in mitochondria and in the cytoplasm of adipocytes 
E) All of the choices are correct. 
A) in the cells of the small intestine 
B) in mitochondria 
C) in the cytoplasm of adipocytes 
D) in mitochondria and in the cytoplasm of adipocytes 
E) All of the choices are correct.

Question 9

What compound stored in working muscles is degraded when the muscles require energy?

Accepted Answer

A) fructose 
B) acetyl CoA 
C) acetone 
D) amino acids 
E) glycogen 
A) fructose 
B) acetyl CoA 
C) acetone 
D) amino acids 
E) glycogen

Question 10

What organ accounts for about 60% of the free glucose usage when the body is in the resting state?

Accepted Answer

A) heart 
B) brain 
C) liver 
D) muscle 
E) adipose 
A) heart 
B) brain 
C) liver 
D) muscle 
E) adipose

Question 11

Which one of the following is a "ketone body"?

Accepted Answer

A) pyruvate 
B) citrate 
C) oxaloacetate 
D) acetyl CoA 
E) acetoacetate 
A) pyruvate 
B) citrate 
C) oxaloacetate 
D) acetyl CoA 
E) acetoacetate

Question 12

Which coenzyme form is the reducing agent for fatty acid biosynthesis?

Accepted Answer

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

Question 13

The pathway for the production of ketone bodies begins with a reversal of the last step of another pathway.What is this pathway?

Accepted Answer

A) urea cycle 
B) β-oxidation 
C) α-reduction 
D) β-reduction 
E) citric acid cycle 
A) urea cycle 
B) β-oxidation 
C) α-reduction 
D) β-reduction 
E) citric acid cycle

Question 14

Lipases hydrolyze triglycerides.

Accepted Answer

A) True 
 B)False

Question 15

What is the source of energy for the activation of a fatty acid in β-oxidation?

Accepted Answer

A) phosphorylation of AMP 
B) hydrolysis of the thioester bond in acetyl CoA 
C) hydrolysis of ATP to AMP 
D) conversion of NADH to NAD+ 
E) oxidation of glycerol 
A) phosphorylation of AMP 
B) hydrolysis of the thioester bond in acetyl CoA 
C) hydrolysis of ATP to AMP 
D) conversion of NADH to NAD+ 
E) oxidation of glycerol

NADPH serves as a reducing agent in the biosynthesis of fatty acids.

The acetyl CoA that is metabolized in the morning before breakfast is mostly derived from the catabolism of what types of molecules?

Complete oxidation of fatty acids yields more energy than complete oxidation of an equal mass of glucose.

Which of the following is NOT one of the ketone bodies produced in ketogenesis?

Triacylglycerols and triglycerides are two names for the same type of compounds.

What component of bile is required to form micelles of triglycerides in the duodenum?

Which two electron carriers are produced in each cycle of β-oxidation?

What is the major storage site for triglycerides?

What compound stored in working muscles is degraded when the muscles require energy?

What organ accounts for about 60% of the free glucose usage when the body is in the resting state?

Which one of the following is a "ketone body"?

Which coenzyme form is the reducing agent for fatty acid biosynthesis?

The pathway for the production of ketone bodies begins with a reversal of the last step of another pathway.What is this pathway?

Lipases hydrolyze triglycerides.

What is the source of energy for the activation of a fatty acid in β-oxidation?

Chemistry - Methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, chemical Changes, and the Chemical Equation

States of Matter: Gases, liquids, and Solids

Solutions

Energy,rate and Equilibrium

Acids and Bases

The Nucleus, radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry

The Unsaturated Hydrocarbons: Alkenes, alkynes, and Aromatics

Alcohols, phenols, thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Filters

Exam 23: Fatty Acid Metabolism

NADPH serves as a reducing agent in the biosynthesis of fatty acids.

The acetyl CoA that is metabolized in the morning before breakfast is mostly derived from the catabolism of what types of molecules?

Complete oxidation of fatty acids yields more energy than complete oxidation of an equal mass of glucose.

Which of the following is NOT one of the ketone bodies produced in ketogenesis?

Triacylglycerols and triglycerides are two names for the same type of compounds.

What component of bile is required to form micelles of triglycerides in the duodenum?

Which two electron carriers are produced in each cycle of β-oxidation?

What is the major storage site for triglycerides?

What compound stored in working muscles is degraded when the muscles require energy?

What organ accounts for about 60% of the free glucose usage when the body is in the resting state?

Which one of the following is a "ketone body"?

Which coenzyme form is the reducing agent for fatty acid biosynthesis?

The pathway for the production of ketone bodies begins with a reversal of the last step of another pathway.What is this pathway?

Lipases hydrolyze triglycerides.

What is the source of energy for the activation of a fatty acid in β-oxidation?

Chemistry - Methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, chemical Changes, and the Chemical Equation

States of Matter: Gases, liquids, and Solids

Solutions

Energy,rate and Equilibrium

Acids and Bases

The Nucleus, radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry

The Unsaturated Hydrocarbons: Alkenes, alkynes, and Aromatics

Alcohols, phenols, thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Filters