7. (8 pts) Complete the following statements about glycolysis using terms from t

Question

7. (8 pts) Complete the following statements about glycolysis using terms from the list below. Four of these will not be used. 3-phosphoglycerate aldolase dihydroxyacetone phosphate enolase fructose 1,6-bisphosphate glyceraldehyde 3-phosphate lactate oxidative pyruvate phosphoenolpyruvate phosphofructokinase-1 substrate-level A. The end product of glycolysis is B. The first committed step of glycolysis is catalyzed by C. NADH is produced in a reaction where D. ATP is "invested" to make glucose 6-phosphate and E. ATP is produced in glycolysis by F. A hexose is split into two trioses by G. H. is oxidized phosphorylation. during glycolysis. is the product of the first ATP-yielding reaction is the substrate of the second ATP-yielding reaction.

Explanation / Answer

A. Pyruvate (net end products of glycolysis are two Pyruvate, two NADH, and two ATP)

B. phosphofructokinase ( first irreversible reaction is the committed step. phosphorylation of fructose 6-phosphate to fructose 1,6-bisphosphate)

C. glyceraldehyde 3-phosphate (payoff phase- oxidation of glyceraldehyde 3-phosphate to 1,3-bisphosphoglycerate).

D. fructose 1,6-bisphosphate (the transfer of a phosphate group from ATP to fructose-6-phosphate)

E.Substrate level phosphorylation.

F. aldolase (6 carbon fructose-1,6-bisphosphate is cleaved into two 3 carbon units; one glyceraldehyde-3-phosphate (GAP) and another molecule of dihydroxy acetone phosphate (DHAP).

G. 3-phosphoglycerate.

H. Phosphoenol pyruvate.

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