Exam 16: Lipid Metabolism

If the carbonyl carbon of a fatty acyl CoA molecule with a C10 chain is labeled with 14C,how many rounds of β-oxidation are required to produce a radioactively labeled acetyl CoA?

(Multiple Choice)

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Question 21

Which enzyme is needed for the oxidation of odd-chain saturated fatty acids that is not needed for even-chain fatty acids?

(Multiple Choice)

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Question 22

Fatty acid synthesis is different in bacteria than in eukaryotic cells because ________.

(Multiple Choice)

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Question 23

Ketone bodies are synthsized in the from .

(Multiple Choice)

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Question 24

The intermediate 1,2-diacylglycerol can lead to the synthesis of all but which substance below?

(Multiple Choice)

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Question 25

Each of the following is a principle hormonal regulator of fatty acid metabolism,except

(Multiple Choice)

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Question 26

Which dietary lipid usually contains no ester bonds?

(Multiple Choice)

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Question 27

Animals use a type I fatty acid synthesis system (FAS I)while bacteria use a type II fatty acid synthesis system (FAS II).

(True/False)

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Question 28

The pathway describing the formation of ether lipids in mammals begins with

(Multiple Choice)

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Question 29

CoA derivatives are the active thioesters in fatty acid oxidation.

(True/False)

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Question 30

Fatty acids are oxidized in the ________.

(Multiple Choice)

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Question 31

All of the following occur during synthesis of ether lipids except

(Multiple Choice)

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Question 32

While mutation of genes for the biosynthesis of sphingolipids are probably lethal,mutations in genes for the degradation of sphingolipids often lead to metabolic diseases such as Tay-Sachs disease.

(True/False)

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Question 33

The long chain fatty acid arachidonate is the precursor for many eicosanoids.

(True/False)

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Question 34

Which of the following is true for carboxylation of acetyl CoA?

(Multiple Choice)

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Question 35

Phosphatidate is an intermediate in the synthesis of ________.

(Multiple Choice)

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Question 36

Eicosanoids,like hormones,are transferred through the blood stream to areas targeted for activities such as vasoconstriction,sensitivity,inflammation and swelling.

(True/False)

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Question 37

Lysosomal storage diseases occur when mutations cause defects in ________.

(Multiple Choice)

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Question 38

High levels of VLDLs have been found to have a protective effect against atherosclerosis.

(True/False)

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Question 39

A patient is found to have a high concentration of cholesterol in the blood and deposits of cholesterol under the skin.The patient is diagnosed with familial hypercholesterolemia.What is the likely cause of this condition?

(Multiple Choice)

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Question 40

Showing 21 - 40 of 89

Exam 16: Lipid Metabolism

If the carbonyl carbon of a fatty acyl CoA molecule with a C10 chain is labeled with 14C,how many rounds of β-oxidation are required to produce a radioactively labeled acetyl CoA?

Which enzyme is needed for the oxidation of odd-chain saturated fatty acids that is not needed for even-chain fatty acids?

Fatty acid synthesis is different in bacteria than in eukaryotic cells because ________.

Ketone bodies are synthsized in the ________ from ________.

The intermediate 1,2-diacylglycerol can lead to the synthesis of all but which substance below?

Each of the following is a principle hormonal regulator of fatty acid metabolism,except

Which dietary lipid usually contains no ester bonds?

Animals use a type I fatty acid synthesis system (FAS I)while bacteria use a type II fatty acid synthesis system (FAS II).

The pathway describing the formation of ether lipids in mammals begins with

CoA derivatives are the active thioesters in fatty acid oxidation.

Fatty acids are oxidized in the ________.

All of the following occur during synthesis of ether lipids except

While mutation of genes for the biosynthesis of sphingolipids are probably lethal,mutations in genes for the degradation of sphingolipids often lead to metabolic diseases such as Tay-Sachs disease.

The long chain fatty acid arachidonate is the precursor for many eicosanoids.

Which of the following is true for carboxylation of acetyl CoA?

Phosphatidate is an intermediate in the synthesis of ________.

Eicosanoids,like hormones,are transferred through the blood stream to areas targeted for activities such as vasoconstriction,sensitivity,inflammation and swelling.

Lysosomal storage diseases occur when mutations cause defects in ________.

High levels of VLDLs have been found to have a protective effect against atherosclerosis.

A patient is found to have a high concentration of cholesterol in the blood and deposits of cholesterol under the skin.The patient is diagnosed with familial hypercholesterolemia.What is the likely cause of this condition?

Introduction to Biochemistry

Water

Amino Acids and the Primary Structures of Proteins

Proteins: Three-Dimensional Structure and Function

Properties of Enzymes

Mechanisms of Enzymes

Coenzymes and Vitamins

Carbohydrates

Lipids and Membranes

Introduction to Metabolism

Glycolysis

Gluconeogenesis, the Pentose Phosphate Pathway, and Glycogen Metabolism

The Citric Acid Cycle

Electron Transport and Atp Synthesis

Photosynthesis

Amino Acid Metabolism

Nucleotide Metabolism

Nucleic Acids

DNA Replication, repair, and Recombination

Transcription and RNA Processing

Protein Synthesis

Filters

Ketone bodies are synthsized in the from .