Thiamine pyrophosphate is a coenzyme
A) frequently encountered in oxidation-reduction reactions.
B) required for the phosphorylation of ADP.
C) involved in transfers of two-carbon groups.
D) involved in transfers of one-carbon groups.

Question

Quizplus · Accepted Answer

Thiamine pyrophosphate (TPP) is a coenzyme that plays a critical role in enzyme-catalyzed reactions involving the transfer of two-carbon groups, particularly in the decarboxylation of alpha-keto acids and in the synthesis and breakdown of carbohydrates.

Thiamine Pyrophosphate Is a Coenzyme