Which Vitamin Is the Precursor to the Coenzyme That Functions

question 77

Multiple Choice

Which vitamin is the precursor to the coenzyme that functions as a reductant in the pyruvate dehydrogenase complex in the final step of the reaction?

• A) thiamine
• B) pantothenic acid
• C) riboflavin
• D) niacin

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Definitions:

Cocktail Party Effect

The ability to focus one's listening attention on a single talker among a mixture of conversations and background noises.

Selective Attention

The cognitive process by which an individual focuses on one particular object or message among a range of stimuli, ignoring others.

Inattentional Blindness

The psychological phenomenon where an individual fails to perceive an unexpected stimulus in plain sight because their attention is engaged elsewhere.

Blindsight

A condition in which a person can respond to visual stimuli without consciously perceiving them, often due to damage in the visual cortex.