What Would Be the Expected Result of a Lysine Residue

question 20

Multiple Choice

What would be the expected result of a lysine residue being substituted with a serine residue in the BPG binding site of hemoglobin?

• A) BPG would bind more tightly because of the loss of a positive charge.
• B) BPG would bind more tightly because of the gain of a positive charge.
• C) BPG would bind less tightly because of the loss of a positive charge.
• D) BPG would bind less tightly because of the gain of a positive charge.
• E) This substitution would have no effect on the binding of BPG.

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Definitions:

REM Sleep

A sleep phase characterized by rapid eye movements, more vivid dreaming, and increased brain activity.

Insomnia

A sleep disorder characterized by difficulty in falling asleep, staying asleep, or obtaining restorative sleep, leading to daytime impairment.

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A condition resulting from not getting enough sleep, which can affect cognitive performance, physical health, and emotional well-being.

Sexual Activity

Behaviors involving the expression of sexuality or sexual relations between individuals.