Asked in PMC Practice Test 6 (2021) 2021

In acidic medium, amino acids carry positive charge and act as:

Correct answer: B. Base

  • A. Acid
  • B. Base
  • C. Neutral
  • D. None of these options are correct

Explanation

Correct option is B. Based on the definition of the acidic medium, in acidic conditions the amino acid acts as a base and accepts a proton at the amino group which results into positive charge whereas, in alkaline conditions, the amino acid acts as an acid donate a proton from its carboxyl group which results into negative charge.

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