Question 1

The coenzyme required for fatty acid synthesis is ________________.

Accepted Answer

NADPH

Question 2

Insulin leads to:

Accepted Answer

A)  an activation of fatty acid synthesis. 
B)  an inhibition of fatty acid synthesis. 
C)  a phosphorylation of proteins 
D)  a decrease of protein phosphatase hydrolysis of fatty acid synthesis enzymes 
E)  A decrease in pyruvate transport into mitochondria 
A)  an activation of fatty acid synthesis. 
B)  an inhibition of fatty acid synthesis. 
C)  a phosphorylation of proteins 
D)  a decrease of protein phosphatase hydrolysis of fatty acid synthesis enzymes 
E)  A decrease in pyruvate transport into mitochondria A

Question 3

Describe the allosteric stimulatory effect of citrate on acetyl CoA carboxylase.

Accepted Answer

The inactive form of acetyl CoA carboxylase is a dimer. Citrate stimulates the polymerization of these dimers into the active filamentous form.

Question 4

Use the following to answer questionS 
Choose the correct answer from the list below. Not all of the answers will be used.
-The date rape drug GHB is an isomer of ________________.

Accepted Answer

A) malonyl CoA 
B) three 
C) four 
D) C16-acyl ACP 
E) cytosol
F)glycolysis
G)acetyl CoA
H)β-hydroxybutyrate
I)acetyl CoA carboylase
J)AMP-dependent protein kinase
K)oxaloacetate
L)malic enzyme
M)citrate 
A) malonyl CoA 
B) three 
C) four 
D) C16-acyl ACP 
E) cytosol
F)glycolysis
G)acetyl CoA
H)β-hydroxybutyrate
I)acetyl CoA carboylase
J)AMP-dependent protein kinase
K)oxaloacetate
L)malic enzyme
M)citrate

Question 5

Where are the enzymes for fatty acid elongation and desaturation in eukaryotes?

Accepted Answer

In eukaryotes, the enzymes tha

Question 6

Citrate serves as a signal for a high-energy state as it stimulates ________________.

Accepted Answer

acetyl CoA

Question 7

The committed step of fatty acid synthesis is the formation of ________________.

Accepted Answer

The answer of The committed step of fatty acid synthesis...

Question 8

Use the following to answer questionS 
Choose the correct answer from the list below. Not all of the answers will be used.
-The molecule ________________ is the form in which acetyl groups are carried across the mitochondrial membrane from the matrix to the cytoplasm.

Accepted Answer

A) malonyl CoA 
B) three 
C) four 
D) C16-acyl ACP 
E) cytosol
F)glycolysis
G)acetyl CoA
H)β-hydroxybutyrate
I)acetyl CoA carboylase
J)AMP-dependent protein kinase
K)oxaloacetate
L)malic enzyme
M)citrate 
A) malonyl CoA 
B) three 
C) four 
D) C16-acyl ACP 
E) cytosol
F)glycolysis
G)acetyl CoA
H)β-hydroxybutyrate
I)acetyl CoA carboylase
J)AMP-dependent protein kinase
K)oxaloacetate
L)malic enzyme
M)citrate

Question 9

A biotin-deficient diet may lead to an increase of cytosolic ________________.

Accepted Answer

The answer of A biotin-deficient diet may lead to an...

Question 10

Describe the chemistry for fatty acid synthesis at the stage when a 2-carbon molecule reacts with a 3-carbon molecule to give a 4-carbon molecule and a 1-carbon molecule..

Accepted Answer

This is the activation and con

Question 11

Double bonds are introduced into fatty acids in the ________________ compartment of the cell.

Accepted Answer

endoplasmi

Question 12

Use the following to answer questionS 
Choose the correct answer from the list below. Not all of the answers will be used.
-The committed step in fatty acid synthesis is inactivated by the regulatory enzyme ________________.

Accepted Answer

A) malonyl CoA 
B) three 
C) four 
D) C16-acyl ACP 
E) cytosol
F)glycolysis
G)acetyl CoA
H)β-hydroxybutyrate
I)acetyl CoA carboylase
J)AMP-dependent protein kinase
K)oxaloacetate
L)malic enzyme
M)citrate 
A) malonyl CoA 
B) three 
C) four 
D) C16-acyl ACP 
E) cytosol
F)glycolysis
G)acetyl CoA
H)β-hydroxybutyrate
I)acetyl CoA carboylase
J)AMP-dependent protein kinase
K)oxaloacetate
L)malic enzyme
M)citrate

Question 13

Which compound inhibits the entry of fatty acyl CoA into the mitochondria as a function of the cell being in the high-energy state?

Accepted Answer

A)  malonyl CoA 
B)  carnitine acyltransferase 
C)  inhibition of acetyl CoA carboxylase 
D)  All of the above. 
E)  None of the above. 
A)  malonyl CoA 
B)  carnitine acyltransferase 
C)  inhibition of acetyl CoA carboxylase 
D)  All of the above. 
E)  None of the above.

Question 14

Explain this statement: "Fats burn in the flame of carbohydrates."

Accepted Answer

This means that the acetyl CoA formed fr

Question 15

Why are linoleate (18:2) and linolenate (18:3) considered essential fatty acids in mammals?

Accepted Answer

Mammals lack the enzymes to introduce do

Question 16

The major product of mammalian fatty acid synthesis is ________________.

Accepted Answer

a C16 fatt

Question 17

Whichof the following is an essential fatty acid?

Accepted Answer

A)  palmitate 
B)  palmitoleate 
C)  linoleate 
D)  oleate 
E)  All of the above. 
A)  palmitate 
B)  palmitoleate 
C)  linoleate 
D)  oleate 
E)  All of the above.

Question 18

Use the following to answer questionS 
Choose the correct answer from the list below. Not all of the answers will be used.
-________________ is the product of the committed step in fatty acid synthesis.

Accepted Answer

A) malonyl CoA 
B) three 
C) four 
D) C16-acyl ACP 
E) cytosol
F)glycolysis
G)acetyl CoA
H)β-hydroxybutyrate
I)acetyl CoA carboylase
J)AMP-dependent protein kinase
K)oxaloacetate
L)malic enzyme
M)citrate 
A) malonyl CoA 
B) three 
C) four 
D) C16-acyl ACP 
E) cytosol
F)glycolysis
G)acetyl CoA
H)β-hydroxybutyrate
I)acetyl CoA carboylase
J)AMP-dependent protein kinase
K)oxaloacetate
L)malic enzyme
M)citrate

Question 19

Use the following to answer questionS 
Choose the correct answer from the list below. Not all of the answers will be used.
-________________ is the key regulator of fatty acid metabolism

Accepted Answer

A) malonyl CoA 
B) three 
C) four 
D) C16-acyl ACP 
E) cytosol
F)glycolysis
G)acetyl CoA
H)β-hydroxybutyrate
I)acetyl CoA carboylase
J)AMP-dependent protein kinase
K)oxaloacetate
L)malic enzyme
M)citrate 
A) malonyl CoA 
B) three 
C) four 
D) C16-acyl ACP 
E) cytosol
F)glycolysis
G)acetyl CoA
H)β-hydroxybutyrate
I)acetyl CoA carboylase
J)AMP-dependent protein kinase
K)oxaloacetate
L)malic enzyme
M)citrate

Question 20

Use the following to answer questionS 
Choose the correct answer from the list below. Not all of the answers will be used.
-Fatty acid synthesis primarily takes place in the cellular location ________________.

Accepted Answer

A) malonyl CoA 
B) three 
C) four 
D) C16-acyl ACP 
E) cytosol
F)glycolysis
G)acetyl CoA
H)β-hydroxybutyrate
I)acetyl CoA carboylase
J)AMP-dependent protein kinase
K)oxaloacetate
L)malic enzyme
M)citrate 
A) malonyl CoA 
B) three 
C) four 
D) C16-acyl ACP 
E) cytosol
F)glycolysis
G)acetyl CoA
H)β-hydroxybutyrate
I)acetyl CoA carboylase
J)AMP-dependent protein kinase
K)oxaloacetate
L)malic enzyme
M)citrate

Exam 28: Fatty Acid Synthesis

The coenzyme required for fatty acid synthesis is ________________.

Insulin leads to:

Describe the allosteric stimulatory effect of citrate on acetyl CoA carboxylase.

Use the following to answer questionS Choose the correct answer from the list below. Not all of the answers will be used. -The date rape drug GHB is an isomer of ________________.

Where are the enzymes for fatty acid elongation and desaturation in eukaryotes?

Citrate serves as a signal for a high-energy state as it stimulates ________________.

The committed step of fatty acid synthesis is the formation of ________________.

Use the following to answer questionS Choose the correct answer from the list below. Not all of the answers will be used. -The molecule ________________ is the form in which acetyl groups are carried across the mitochondrial membrane from the matrix to the cytoplasm.

A biotin-deficient diet may lead to an increase of cytosolic ________________.

Describe the chemistry for fatty acid synthesis at the stage when a 2-carbon molecule reacts with a 3-carbon molecule to give a 4-carbon molecule and a 1-carbon molecule..

Double bonds are introduced into fatty acids in the ________________ compartment of the cell.

Use the following to answer questionS Choose the correct answer from the list below. Not all of the answers will be used. -The committed step in fatty acid synthesis is inactivated by the regulatory enzyme ________________.

Which compound inhibits the entry of fatty acyl CoA into the mitochondria as a function of the cell being in the high-energy state?

Explain this statement: "Fats burn in the flame of carbohydrates."

Why are linoleate (18:2) and linolenate (18:3) considered essential fatty acids in mammals?

The major product of mammalian fatty acid synthesis is ________________.

Whichof the following is an essential fatty acid?

Use the following to answer questionS Choose the correct answer from the list below. Not all of the answers will be used. -________________ is the product of the committed step in fatty acid synthesis.

Use the following to answer questionS Choose the correct answer from the list below. Not all of the answers will be used. -________________ is the key regulator of fatty acid metabolism

Use the following to answer questionS Choose the correct answer from the list below. Not all of the answers will be used. -Fatty acid synthesis primarily takes place in the cellular location ________________.

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 Degredation

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