A \"Health Food\" store advertises a \"New miracle dietary supplement, NADU, whi

Question

A "Health Food" store advertises a "New miracle dietary supplement, NADU, which, if taken orally, will put more ATP in your system". 1. One (1) NADI I already inside a mitochondrion will produce _______ ATFs? 2. One (1) NADH from glycolysis, which is on the other side of the mitochondrial membranes, will produce ATPs. Based on your answers to 1 and 2 above, how much energy is lost to get the e' from the NADH from glycolysis across one membrane into a mitochondrion? ATP(s). Now. if you swallow the pill, it will go to your stomach. Assume NADH is not harmed by the gastric juice and that absorption occurs in the stomach. How many membranes will the c' from the NADH have to cross to get from your stomach to your muscle mitochondria? _______ membranes. Will you buy the stuff? Why or why not?

Explanation / Answer

1. 3 ATP.

Oxidation of one mole of NADH by O2 results in the formation of 3 ATP molecules.

2. 2 ATP.

2 NADH molecules are formed in glycolysis each yields 2 ATP.

3. 1.

4. It will have to cross 5 membrane systems. First it has to cross membrane of gastric cell after which it will cross capillary membrane and again has to cross capillary membrane to reach into muscle cell by crossing membrane of muscle cell. Finally it has to cross two membranes of mitochondria to enter into muscle cell.

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