The Appropriate Sequence for the Transketolase Catalyzed Reaction Would Be

question 5

Multiple Choice

The appropriate sequence for the transketolase catalyzed reaction would be:
A.reactive enamine attack on the aldehyde group of an aldose
B.β-cleavage of Schiff base intermediate to release an aldose
C.formation of Schiff base intermediate of a new ketose
D.active site lysine forms Schiff base with keto-carbonyl group
E.Schiff base hydrated to ketose and enzyme

• A) C, A, B, D, E
• B) D, B, A, C, E,
• C) D, A, B, E, C
• D) A, D, B, C, E
• E) E, D, C, B, A

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Definitions:

Foramen Ovale

An opening in the septum between the right and left atria of the fetal heart, which normally closes shortly after birth.

Nonfunctional Lungs

Lungs that are unable to perform the standard process of gas exchange between oxygen and carbon dioxide.

Fetus

A developing mammal or human during the later stages of pregnancy after the embryonic stage, showing recognizable features of the species.

Chordae Tendineae

Heartstrings; fibrous cords that connect the papillary muscles to the tricuspid and mitral valves in the heart, preventing valve inversion.