19. Glycolysis in the erythrocyte produces pyruvate that is further metabolized to:(A)CO2.(B)ethanol.(C)glucose.(D)hemoglobin.(E) lactate.

23. Gluconeogenesis must use "bypass reactions" to circumvent three reactions in the glycolytic pathway that are highly exergonic and essentially irreversible. Reactions carried out by which three of the enzymes listed must be bypassed in the gluconeogenic pathway?1) Hexokinase2) Phosphoglycerate kinase3) Phosphofructokinase-14) Pyruvate kinase5) Triosephosphate isomerase(A)1,2,3(B)1, 2,4(C)1,4,5(D)1,3,4(E) 2, 3, 4

19. Glycolysis in the erythrocyte produces pyruvate that is further metabolized to:

(A)CO2.

(B)ethanol.

(C)glucose.

(D)hemoglobin.

(E) lactate.

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