Question 1

The molecule ____________stimulates lipolysis when energy reserves are low.

Accepted Answer

A) pyrophosphate 
B) 106 ATP 
C) pyruvate dehydrogenase 
D) β oxidation 
E) glucagon
F)glycolysis
G)30 ATP
H)cobalamin
I)β hydroxybutyrate
J)hormone-sensitive lipase
K)oxaloacetate
L)adipose
M)acyl CoA dehydrogenase 
A) pyrophosphate 
B) 106 ATP 
C) pyruvate dehydrogenase 
D) β oxidation 
E) glucagon
F)glycolysis
G)30 ATP
H)cobalamin
I)β hydroxybutyrate
J)hormone-sensitive lipase
K)oxaloacetate
L)adipose
M)acyl CoA dehydrogenase

Question 2

Acetoacetate and ________________ are referred to as ketone bodies and are a major fuel source for muscle tissue.

Accepted Answer

The answer of Acetoacetate and ________________ are referred to as...

Question 3

How and where are fatty acids stored?

Accepted Answer

Fatty acids are stored as tria

Question 4

In odd-numbered fatty acid chains, how is the final three-carbon piece, propionyl CoA, utilized?

Accepted Answer

It is carboxylated to form D-m

Question 5

Acetoacetate spontaneously decarboxylates to form ________________.

Accepted Answer

The answer of Acetoacetate spontaneously decarboxylates to form ________________....

Question 6

Three rounds of fatty acid oxidation results in:

Accepted Answer

A)  two acetyl CoA molecules. 
B)  three acetyl CoA molecules. 
C)  the synthesis of palmitate. 
D)  the formation of enoyl CoA. 
E)  the complete oxidation of palmitate B. 
A)  two acetyl CoA molecules. 
B)  three acetyl CoA molecules. 
C)  the synthesis of palmitate. 
D)  the formation of enoyl CoA. 
E)  the complete oxidation of palmitate B.

Question 7

Briefly outline the steps in fatty acid degradation.

Accepted Answer

First, fatty acids must be activated by

Question 8

Triacylglycerols are stored in ____________ cells in animals.

Accepted Answer

A) pyrophosphate 
B) 106 ATP 
C) pyruvate dehydrogenase 
D) β oxidation 
E) glucagon
F)glycolysis
G)30 ATP
H)cobalamin
I)β hydroxybutyrate
J)hormone-sensitive lipase
K)oxaloacetate
L)adipose
M)acyl CoA dehydrogenase 
A) pyrophosphate 
B) 106 ATP 
C) pyruvate dehydrogenase 
D) β oxidation 
E) glucagon
F)glycolysis
G)30 ATP
H)cobalamin
I)β hydroxybutyrate
J)hormone-sensitive lipase
K)oxaloacetate
L)adipose
M)acyl CoA dehydrogenase

Question 9

The β oxidation of myristyl-CoA (14:0) yields:

Accepted Answer

A)  7 acetyl CoA + 7 FADH2 + 7 NADH + 7 H+ 
B)  6 acetyl CoA + 7 FADH2 + 7 NADH + 7 H+ 
C)  7 acetyl CoA + 6 FADH2 + 6 NADH + 6 H+ 
D)  7 acetyl CoA + 7 FAD + 7 NAD+ 
E)  14 acetyl CoA + 12 FADH2 + 12 NADH + 12 H+ 
A)  7 acetyl CoA + 7 FADH2 + 7 NADH + 7 H+ 
B)  6 acetyl CoA + 7 FADH2 + 7 NADH + 7 H+ 
C)  7 acetyl CoA + 6 FADH2 + 6 NADH + 6 H+ 
D)  7 acetyl CoA + 7 FAD + 7 NAD+ 
E)  14 acetyl CoA + 12 FADH2 + 12 NADH + 12 H+

Question 10

The final step of each round of oxidation of fatty acids is the ________________ cleavage to yield acetyl CoA.

Accepted Answer

The answer of The final step of each round of...

Question 11

Increases in acetyl CoA during starvation inhibit the enzyme ____________.

Accepted Answer

A) pyrophosphate 
B) 106 ATP 
C) pyruvate dehydrogenase 
D) β oxidation 
E) glucagon
F)glycolysis
G)30 ATP
H)cobalamin
I)β hydroxybutyrate
J)hormone-sensitive lipase
K)oxaloacetate
L)adipose
M)acyl CoA dehydrogenase 
A) pyrophosphate 
B) 106 ATP 
C) pyruvate dehydrogenase 
D) β oxidation 
E) glucagon
F)glycolysis
G)30 ATP
H)cobalamin
I)β hydroxybutyrate
J)hormone-sensitive lipase
K)oxaloacetate
L)adipose
M)acyl CoA dehydrogenase

Question 12

In the conversion of propionyl CoA to succinyl CoA, what type of reaction does the cobalamin containing enzyme catalyze?

Accepted Answer

A)  intramolecular rearrangements 
B)  methylations 
C)  reduction of ribonucleotides to deoxyribonucleotides 
D)  A and C 
E)  A, B, and C 
A)  intramolecular rearrangements 
B)  methylations 
C)  reduction of ribonucleotides to deoxyribonucleotides 
D)  A and C 
E)  A, B, and C

Question 13

Enzymes that digest the triacylglycerols into free fatty acids and monoacylglycerol are called:

Accepted Answer

A)  hydrases. 
B)  glyases. 
C)  lipases. 
D)  All of the above. 
E)  None of the above. 
A)  hydrases. 
B)  glyases. 
C)  lipases. 
D)  All of the above. 
E)  None of the above.

Question 14

How many rounds of β oxidation would be required for a 16-carbon fatty acyl chain to be degraded to acetyl CoA?

Accepted Answer

A)  16 
B)  8 
C)  7 
D)  15 
E)  None of the above. 
A)  16 
B)  8 
C)  7 
D)  15 
E)  None of the above.

Question 15

The compound ____________ is considered one of the "ketone bodies."

Accepted Answer

A) pyrophosphate 
B) 106 ATP 
C) pyruvate dehydrogenase 
D) β oxidation 
E) glucagon
F)glycolysis
G)30 ATP
H)cobalamin
I)β hydroxybutyrate
J)hormone-sensitive lipase
K)oxaloacetate
L)adipose
M)acyl CoA dehydrogenase 
A) pyrophosphate 
B) 106 ATP 
C) pyruvate dehydrogenase 
D) β oxidation 
E) glucagon
F)glycolysis
G)30 ATP
H)cobalamin
I)β hydroxybutyrate
J)hormone-sensitive lipase
K)oxaloacetate
L)adipose
M)acyl CoA dehydrogenase

Question 16

How are unsaturated fatty acids degraded?

Accepted Answer

An unsaturated fatty acid must be conver

Question 17

What are the repeated steps of fatty acid degradation?

Accepted Answer

The repeated steps in fatty ac

Question 18

Glucagon and ________________ stimulate the breakdown of triacylglycerols by activation of a hormone-sensitive lipase.

Accepted Answer

The answer of Glucagon and ________________ stimulate the breakdown of...

Question 19

What pathological conditions can arise from a large increase in blood levels of ketone bodies in diabetics?

Accepted Answer

In insulin-resistant diabetes mellitus,

Question 20

β oxidation of odd-numbered fatty acids produces acetyl CoA and ________________.

Accepted Answer

The answer of β oxidation of odd-numbered fatty acids produces...

Exam 27: Fatty Acid Degredation

The molecule ____________stimulates lipolysis when energy reserves are low.

Acetoacetate and ________________ are referred to as ketone bodies and are a major fuel source for muscle tissue.

How and where are fatty acids stored?

In odd-numbered fatty acid chains, how is the final three-carbon piece, propionyl CoA, utilized?

Acetoacetate spontaneously decarboxylates to form ________________.

Three rounds of fatty acid oxidation results in:

Briefly outline the steps in fatty acid degradation.

Triacylglycerols are stored in ____________ cells in animals.

The β oxidation of myristyl-CoA (14:0) yields:

The final step of each round of oxidation of fatty acids is the ________________ cleavage to yield acetyl CoA.

Increases in acetyl CoA during starvation inhibit the enzyme ____________.

In the conversion of propionyl CoA to succinyl CoA, what type of reaction does the cobalamin containing enzyme catalyze?

Enzymes that digest the triacylglycerols into free fatty acids and monoacylglycerol are called:

How many rounds of β oxidation would be required for a 16-carbon fatty acyl chain to be degraded to acetyl CoA?

The compound ____________ is considered one of the "ketone bodies."

How are unsaturated fatty acids degraded?

What are the repeated steps of fatty acid degradation?

Glucagon and ________________ stimulate the breakdown of triacylglycerols by activation of a hormone-sensitive lipase.

What pathological conditions can arise from a large increase in blood levels of ketone bodies in diabetics?

β oxidation of odd-numbered fatty acids produces acetyl CoA and ________________.

Biochemistry and the Unity of Life

Water, Weak Bonds, and the Generation of Order Out of Chaos

Amino Acids

Protein Three-Dimensional Structure

Techniques in Protein Biochemistry

Basic Concepts of Enzyme Action

Kinetics and Regulation

Mechanisms and Inhibitors

Hemoglobin: an Allosteric Protein

Carbohydrates

Lipids

Membrane Structure and Function

Signal Transduction Pathways

Digestion: Turning a Meal Into Cellular Biochemicals

Metabolism: Basic Concepts and Design

Glycolysis

Gluconeogenesis

Preparation for the Cycle

Harvesting Electrons From the Cycle

The Electron Transport Chain

The Proton-Motive Force

The Light Reactions

The Calvin Cycle

Glycogen Degradation

Glycogen Synthesis

The Pentose Phosphate Pathway

Fatty Acid Synthesis

Lipid Synthesis

Amino Acid Degradation and the Urea Cycle

Amino Acids Synthesis

Nucleotide Metabolism

The Structure of Informational Macromolecules: Dna and Rna

DNA Replication

DNA Repair and Recombination

RNA Synthesis and Regulation in Prokaryotes

Gene Expression in Eukaryotes

RNA Processing in Eukaryotes

The Genetic Code

The Mechanism of Protein Synthesis

Recombinant Dna Techniques

Filters