The Enzymes Involved in the Pyruvate Dehydrogenase Complex Are

question 16

Multiple Choice

The enzymes involved in the pyruvate dehydrogenase complex are

• A) physically separated from each other
• B) crosslinked to each other by lipoic acid linkers
• C) covalently bonded to coenzyme A
• D) associated with each other in a cubical array

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Definitions:

Keto-enol Tautomerization

Keto-enol tautomerization is a chemical equilibrium between a ketone (or aldehyde) and an enol (an alcohol directly bonded to a carbon-carbon double bond), where hydrogen atoms and double bonds are redistributed.

6-phosphate Ester

Refers to a compound containing a phosphate group attached to the sixth carbon of a sugar or organic molecule, commonly involved in energy transfer and signaling pathways.

Sucrose

A sweet substance made from glucose and fructose, familiarly referred to as the sugar found in sugar bowls.

Monosaccharides

Simple sugars that are the most basic units of carbohydrates, with a single polyhydroxy aldehyde or ketone unit.