TCA Cycle

Q1: In what form does the product of glycolysis enter the TCA cycle?

A AcetylCoA

B Glucose

C NADH

D Pyruvate

ANS:A - AcetylCoA

Actually, pyruvate does not enter the citric acid cycle but undergoes some chemical grooming in which a carboxyl group is removed and given off as co2. The 2 carbon compound remaining is oxidised while a molecule of NADH+ is reduced to NA,DH.

Coenzyme adjoins with 2 carbon groups to form acetyl coenzyme An abbreviated as acetyl-CoA so I can say acetyl coA is the best.



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