First slide

Biomicromolecules

Question

Statement A: The structure of an amino acid changes in solutions of different pH.
Statement B: In acid pH, the amino acid shows positive charge and acts as base.

Easy

A

Statements A and B are correct
B

Statement A is correct and B is incorrect.
C

Statement A is incorrect and B is correct.
D

Statements A and B are incorrect.

Solution

Structure of an amino acid in a solution varies with the pH of the solution. In acidic pH it shows positive charge and in basic pH, it shows negative charge and in isoelectric pH, it is in zwitterionic form with both positive and negative charges.

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