Essential Biochemistry

Quizzes

CHAPTER

Lipid Metabolism

1.	The synthesis of ketone bodies from acetyl-CoA is called ________. Answer: Suggested Answer:

2.	A/An ________ is a protein that carries out more than one chemical reaction. Answer: Suggested Answer:

3.	A cholesterol derivative that acts as a detergent to solubilize lipids for digestion and absorption is ________. Answer: Suggested Answer:

4.	________ is a eukaryotic organelle with specialized oxidative functions, which include fatty acid degradation. Answer: Suggested Answer:

5.	A globular particle, containing lipids and proteins, that transports lipids between tissues via the bloodstream is a/an ________. Answer: Suggested Answer:

6.	________ are compounds produced from acetyl-CoA by the liver and used as metabolic fuels in other tissues when glucose is unavailable. Answer: Suggested Answer:

7.	A fatty acid that an animal cannot synthesize and must therefore obtain in its diet is called a/an ________. Answer: Suggested Answer:

8.	________ is a disease characterized by accumulation of lipids in the walls of blood vessels. Answer: Suggested Answer:

9.	Before they are oxidized, fatty acids are "activated" by attachment to ________. Answer: Suggested Answer:

10.

The usual product of fatty acid synthesis is a 16-carbon molecule called ________.

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11.

________ are signaling molecules derived from the 20-carbon fatty acid arachidonate.

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12.

Drugs known as statins inhibit HMG-CoA reductase and thereby prevent the synthesis of ________.

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13.

Acetyl-CoA carboxylase converts the acetyl group of acetyl-CoA to a three-carbon ________ group.

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14.

Methylmalonyl-CoA mutase, which catalyzes a molecular rearrangement reaction, is one of only a few enzymes with a ______ cofactor.

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