The Reaction Mechanism for Glyceraldehyde-3-Phosphate Dehydrogenase Involves ____ Attack by a Cysteine

question 51

Multiple Choice

The reaction mechanism for glyceraldehyde-3-phosphate dehydrogenase involves ____ attack by a cysteine -SH group on the ____ carbon of the substrate to form a hemithioacetal.

• A) electrophilic; carbonyl
• B) electrophilic; acidic
• C) nucleophilic; amino
• D) nucleophilic; carbonyl
• E) S_N2 ; amino

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Definitions:

Flat Bone

A type of bone with a thin, flattened shape, providing protection for internal organs and serving as a site for hematopoiesis; examples include the skull and ribs.

Carpal Bone

One of the small bones forming the wrist (carpus) that connects the hand to the forearm.

Lamellae

Thin layers or plates of tissue or material, commonly found in bone, representing the basic structure of compact bone.

Lacunae

Lacunae are small cavities in bone or cartilage tissue that house cells, such as osteocytes in bones, providing a microenvironment for cell maintenance and nutrient exchange.