Which One of the Following Would You Predict Is an Allosteric

question 23

Multiple Choice

Which one of the following would you predict is an allosteric inhibitor of the Krebs cycle enzyme, α-ketoglutarate dehydrogenase?

• A) ADP
• B) α-ketoglutaric acid
• C) NAD+
• D) NADH
• E) citric acid

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Definitions:

Just Noticeable Difference

The minimal change in a stimulus that can just barely be detected by an organism.

Absolute Threshold

The minimum intensity of a stimulus that can be detected by an organism's sensory systems at least 50% of the time.

Wavelength

The distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave.

Retina

A layer at the back of the eyeball containing cells that are sensitive to light and that trigger nerve impulses that pass via the optic nerve to the brain, where a visual image is formed.