homework lecture 12

homework lecture 12 - b. Androgens c. Estrogens d....

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1. The major regulatory step in cholesterol synthesis is a. Synthesis of HMG-CoA from 3 acetyl CoA b. Synthesis of mevalonate from HMG-CoA c. Synthesis of phosphomevalonate from mevalonate d. Synthesis of 5-pyrophosphomevalonate from phosphomevalonate e. Synthesis of isopentyl pyrophosphate from 5-pyrophosphomevalonate 2. Which of the following statements about bile salts is true? a. Bile salts are more polar than cholesterol. b. Bile salts are intermediates in cholesterol degradation c. Bile salts can act as hormones d. A and B e. C and D 3. Which of the following is not a class of steroid hormone: a. Progesterone
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Unformatted text preview: b. Androgens c. Estrogens d. Catecholamines e. Glucocorticoids 4. Synthesis of Vitamin D3 from cholesterol requires a. UV Light b. ATP c. NADH d. Biotin e. Thiamine Pyrophosphate 5. Isoprene units consist of how many carbons? a. 2 b. 3 c. 4 d. 5 6. Cholesterol can be a precursor for which of the following? e. Bile salts f. Hormones g. Vitamins h. All of the above 7. Which of the following statements are true about squalene? i. It consists of 32 carbons j. It can be used as a fuel k. It is a precursor for cholesterol l. B and C 8. Are all vitamins isoprenoids? m. True n. False...
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