Assertion: Solubility of proteins is minimum at the isoelectric point. Reason: At isoelectric point, protein molecule behaves as a zwitter ion.

Question

Assertion: Solubility of proteins is minimum at the isoelectric point. Reason: At isoelectric point, protein molecule behaves as a zwitter ion. (A) If both assertion and reason are true and reason is the correct explanation of assertion (B) If both assertion and reason are true but reason is not the correct explanation of assertion (C) If assertion is true but reason is false (D) If both assertion and reason are false

Tardigrade Admin · Accepted Answer

At isoelectric point, protein molecules behave as zwitter ions and hence, do not move toward any electrode or act as neutral molecules. This reduces their solubility to minimum and thus, helps in their separation and purification.

Q. Assertion : Solubility of proteins is minimum at the isoelectric point. Reason : At isoelectric point, protein molecule behaves as a zwitter ion.

If both assertion and reason are true and reason is the correct explanation of assertion

If both assertion and reason are true but reason is not the correct explanation of assertion

If assertion is true but reason is false

If both assertion and reason are false

At isoelectric point, protein molecules behave as zwitter ions and hence, do not move toward any electrode or act as neutral molecules. This reduces their solubility to minimum and thus, helps in their separation and purification.

Q. Assertion : Solubility of proteins is minimum at the isoelectric point.
Reason : At isoelectric point, protein molecule behaves as a zwitter ion.