I need help solving these questions. I think that is the answer but I would like

Question

I need help solving these questions. I think that is the answer but I would like to know how to solve it and why the others cannot be the answer. Thank you!

36. The thermodymamic drivers of Glycolysis are hexokinase, kinase-1 and pyruvate kinase. Of these enzymes, the one named for the reverse reaction is: a. pymuvate kinase. b. hexokinase. c. phosphofructokinase-1. d. none of these, they all go in the forward direction of phosphorylations of the named substrate. 37. Arsenate is a known inhibitor of Glycolysis because it gets incorporated into a glycolytic intermediate by: a. pyruvate kinase. b. hexokinase. c.3-phosphoglyceraldehyde dehydrogenase. d. enolase. e. Phosphoglycerate kinase

Explanation / Answer

36. ans a pyruvate Kinase

Hexokinase adds phosphate group to glucose forming glucose 6 phosphate and phosphofructokinase phosphorylates fructose 6 phosphate into frucose 1,6 biphosphate. Whereas pyruvate Kinase removes phosphate group from phosphoenol pyruvate and converts It into pyruvate.

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