Assertion (A) and Reason (R). Answer these questions selecting the appropriate option given below:
A. Both Assertion and Reason are true and the reason is the correct explanation of the assertion
B. Both Assertion and Reason are true but the reason is not the correct explanation of the assertion
C. Assertion is true but Reason are false
D. Both Assertion and Reason are false
1. Assertion: Human diet should compulsorily contain glycine, serine and tyrosine.
Reason: Essential amino acids can be synthesized in the human body.
2. Assertion: Kappa casein is involved in micelle stabilization of milk proteins and keeps the proteins suspended uniformly in milk.
Reason: Kappa casein behaves like a lipid molecule and 2/3 rd of milk protein is hydrophobic.
3. Assertion: At isoelectric point, the amino acid does not migrate under the influence of electrical field.
Reason: The amino acid molecule at the isoelectric point exists as zwitter ion structure.
