Thiamine Pyrophosphate Functions as a Coenzyme in Which Reactions in the Citrate

question 80

Multiple Choice

Thiamine pyrophosphate functions as a coenzyme in which reactions in the citrate cycle?

• A) pyruvate dehydrogenase and succinate dehydrogenase
• B) pyruvate dehydrogenase and \(\alpha\)-ketoglutarate dehydrogenase
• C) malate dehydrogenase and succinate dehydrogenase
• D) malate dehydrogenase and \(\alpha\)-ketoglutarate dehydrogenase

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Definitions:

Resonance Contributors

Structures that depict the delocalization of electrons within a molecule, showing different possible configurations without changing the placement of atoms.

Major Products

In chemical reactions, the major products are the substances produced in the greatest amount, determined by the reaction conditions and mechanism.

Structures

The arrangement of and relations between the parts or elements of something complex, such as a molecule’s geometric configuration.

Ionizing Solvent

A solvent capable of dissociating molecules into ions, thus enhancing electrical conductivity.