Question 1

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 2

What are the repeated steps of fatty acid degradation?

Accepted Answer

The repeated steps in fatty ac

Question 3

The first step of β oxidation is a(n) ________________-linked oxidation of the fatty acyl chain.

Accepted Answer

The answer of The first step of β oxidation is...

Question 4

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 5

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 6

What organelle contains the enzymes for β oxidation and how does the fatty acid enter this organelle?

Accepted Answer

β oxidation occurs in the mitochondrial

Question 7

Acetoacetate spontaneously decarboxylates to form ________________.

Accepted Answer

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

Question 8

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 9

Calculate the amount of ATP generated from the total oxidation of an activated fatty acid with an acyl chain of 16 carbons.

Accepted Answer

The pathway would generate 7 NADH and 7

Question 10

________________ from fatty acid oxidation may enter glycolysis after phosphorylation and oxidation.

Accepted Answer

The answer of ________________ from fatty acid oxidation may enter...

Question 11

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 12

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 13

Why is the anhydrous nature of triacylglycerols important in energy efficiency?

Accepted Answer

Carbohydrates need to be hydrated to be

Question 14

Which organs or tissues prefer to use ketone bodies such as acetoacetate as a fuel energy source instead of glucose?

Accepted Answer

A)  the heart muscle 
B)  the renal cortex 
C)  the brain 
D)  A and B 
E)  A, B, and C 
A)  the heart muscle 
B)  the renal cortex 
C)  the brain 
D)  A and B 
E)  A, B, and C

Question 15

How and where are fatty acids stored?

Accepted Answer

Fatty acids are stored as tria

Question 16

Choose the correct answer from the list below. Not all of the answers will be used.
-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 17

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

Accepted Answer

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

Question 18

Choose the correct answer from the list below. Not all of the answers will be used.
-The pathway by which an acyl CoA is degraded to acetyl CoA is ____________.

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 19

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 20

How are unsaturated fatty acids degraded?

Accepted Answer

An unsaturated fatty acid must be conver

Exam 27: Fatty Acid Degredation

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

What are the repeated steps of fatty acid degradation?

The first step of β oxidation is a(n) ________________-linked oxidation of the fatty acyl chain.

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

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

What organelle contains the enzymes for β oxidation and how does the fatty acid enter this organelle?

Acetoacetate spontaneously decarboxylates to form ________________.

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

Calculate the amount of ATP generated from the total oxidation of an activated fatty acid with an acyl chain of 16 carbons.

________________ from fatty acid oxidation may enter glycolysis after phosphorylation and oxidation.

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

Three rounds of fatty acid oxidation results in:

Why is the anhydrous nature of triacylglycerols important in energy efficiency?

Which organs or tissues prefer to use ketone bodies such as acetoacetate as a fuel energy source instead of glucose?

How and where are fatty acids stored?

Choose the correct answer from the list below. Not all of the answers will be used. -Increases in acetyl CoA during starvation inhibit the enzyme ____________.

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

Choose the correct answer from the list below. Not all of the answers will be used. -The pathway by which an acyl CoA is degraded to acetyl CoA is ____________.

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

How are unsaturated fatty acids degraded?

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

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