Concept explainers
(a)
Interpretation:
The way in which the conversion of pyruvate to acetyl Co-A is similar to pyruvate to ethanol conversion needs to be explained.
Concept introduction:
The oxidation of glyceraldehyde 3-phosphate generates NADH resulting net oxidation in the glucose to pyruvate conversion. The oxidation-reduction does not take place in the glucose to lactate conversion. The transfer of electrons from NADH to pyruvate is catalyzed by lactate dehydrogenase to from lactate.
(b)
Interpretation:
The ways in which two processes are different needs to be explained.
Concept introduction:
The oxidation of glyceraldehyde 3-phosphate generates NADH resulting net oxidation in the glucose to pyruvate conversion. The oxidation-reduction does not take place in the glucose to lactate conversion. The transfer of electrons from NADH to pyruvate is catalyzed by lactate dehydrogenase to from lactate.

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Chapter 24 Solutions
GENERAL,ORGANIC, & BIOLOGICAL CHEM-ACCES
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