How many transmembrane domains does the GPCR epinephrine receptor have? A. 0 B.

Question

How many transmembrane domains does the GPCR epinephrine receptor have? A. 0 B. 1 C. 3 D 5 E. 7 Which of these is a molecule that the insulin receptor activates inside the cell? A. gen synthase B. fatty acid synthase C. triacyl glycerides D. glycogen phosphorylase E. F1/0 ATP synthetase Which of these is a reason why ATP hydrolysis/phosphorolysis is energetically favorable? A. hydrolysis is always favorable B. entropy increases C. lowered activation barrier D. no heat production E. abundant heat production Choose a vitamin and the coenzyme that it is a precursor for. A. vitamin C, citrate B. vitamin A, retinoic acid C. vitamin D. calciferol D. vitamin C, collagen E. niacin, NADH What is the enzyme that breaks down glycogen? A. glycogen synthase B. hexokinase C. ATP synthase D. phosphofructokinase E. phosphorylase

Explanation / Answer

33. 7 transmembrane domains.

34. glycogen synthase

35. Entropy increases.

36. Vit D, calciferol

37. Phosphorylase

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