Which of These Steps Is NOT a Component of the Pyruvate

question 17

Multiple Choice

Which of these steps is NOT a component of the pyruvate carboxylase-catalyzed reaction?

• A)formation of N-carbonyl biotin
• B)attack of H₂CO3 on ATP
• C)formation of carbonyl phosphate
• D)C-3 carbanion of pyruvate attack on N-carbonyl biotin

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Definitions:

Ruff Degradation

A chemical process used to convert monosaccharides into smaller sugars or alditols.

Optically Active

Refers to a substance that can rotate the plane of polarized light, indicating chiral molecules not superimposable on their mirror image.

Alditol

A type of sugar alcohol formed by reducing the aldehyde or ketone group in aldoses or ketoses, respectively.

Silver Oxide

A chemical compound of silver and oxygen that's used in some batteries and as a mild oxidizing agent in organic synthesis.