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Subjects/Biochemistry/Biochemistry
Biochemistry
medium
flask-conical Biochemistry

At physiological pH, which of these amino acids has a positive charge?

A. Valine
B. Aspaic acid
C. Arginine
D. Isoleucine

Explanation

Ans: C. ArginineAt physiological pH, arginine has a positive charge.Negative Charged (Acidic Side Chains) - Aspaic acid & glutamic acid.Positive Charged (Basic Side Chains) - Histidine, arginine & lysine.

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