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15 Oct 2018

30. In final step of the triacylglycerol biosynthesis, which of the following is added to the diacylglycerol?

A. Acetyl-CoA

B. Phosphatidic acid

C. Fatty acyl-CoA

D. Glycerol-3-P

31. The activation of long chain fatty acids requires which of the following?

A. 2 ATPs

B. 2 ATPs and Co-A

C. 2 ATP, CoA and fatty-acyl CoA

D. 2 ATPs and a fatty acid.

32. What is the metabolic pathway that does not involve succinyl-CoA?

A. Ketone bodies to acetyl CoA

B. Odd chain fatty acid oxidation

C. Even chain fatty acid oxidation

D. TCA cycle

33. In order to break down fatty acids, they are first transported into the mitochondrial matrix by conversion of the fatty acid from a covalent complex with CoA to one with:

A. Citrate.

B. Oxaloacetate.

C. Malate.

D. Carnitine.

E. Pyruvate.

34. Regarding carnitine shuttle, the enzyme translocase involves which of the following pair?

A. Fatty acyl & CoA

B. Fatty acyl-carnitine & carnitine

C. Fatty acyl CoA & carnitine

D. Fatty acyl & carnitine

35. The family of drugs that are called "statins" (e.g. lipitor) are effective at lowering plasma levels of cholesterol because they:

A. slow the rate of cholesterol uptake from plasma into the cell.

B. increase the rate of synthesis of cholesterol inside the cell.

C. inhibit the activity of a key enzyme in the cholesterol synthetic pathway.

D. prevent the synthesis of Mevalonate

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Sixta Kovacek
Sixta KovacekLv2
18 Oct 2018
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