Which of the Following Amino Acid Substitutions (As by Mutation)

question 111

Multiple Choice

Which of the following amino acid substitutions (as by mutation) in the beta chain of hemoglobin would be LEAST likely to affect the three-dimensional structure and biological function of the molecule?

• A) Arg for Tyr
• B) Trp for Ile
• C) Gln for Phe
• D) Cys for Gly
• E) Ile for Leu

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Definitions:

Circadian Rhythm

The roughly 24-hour cycle in the physiological processes of living beings, influencing sleep-wake patterns, hormone release, and other bodily functions.

Diurnal

Pertaining to or active during the day, as opposed to nocturnal.

Nocturnal

Pertaining to or active during the night.

Activity

Any physical movement or tasks that involve the body or mind, contributing to the consumption of energy and engagement in various processes.