18.The inner membrane of mitochondria is about 75% lipid and 25% protein by weight. How many molecules of membrane lipidare there for each molecule of protein? (Assume that the average protein is Mr 50,000 and the average lipid is 750.)(D) 200 (A) 10 (B) 100 (C) 150

9. Which of the following statements is true of the glycolytic pathway?(A)Each reaction in the glycolytic pathway is catalyzed by a single enzyme, acetyl CoA dehydrogenase.(B)In each reaction in the pathway, one molecule of ATP is hydrolyzed for each molecule of glucose that is metabolized.(C)In each reaction in the glycolytic pathway, two NADP molecules are released that make coupled exergonic reactionspossible.(D)Each reaction has a net gain of three ATP molecules for each glucose molecule processed in glycolysis.

18.The inner membrane of mitochondria is about 75% lipid and 25% protein by weight. How many molecules of membrane lipid
are there for each molecule of protein? (Assume that the average protein is Mr 50,000 and the average lipid is 750.)
(D) 200
(A) 10
(B) 100
(C) 150

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