Biomolecules · Chemistry · Class 12

Hydrolysis of sucrose is called

Assertion (A): Proteins are polymers of $$\alpha$$-amino acids connected by a peptide bond.

Reason (R): A tetrapeptide contains 4 amino acids linked by 4 peptide bonds.

Give the reaction of glucose with hydrogen cyanide. Presence of which group is confirmed by this reaction?

Give reasons for any 3 of the following observations:

(a) Penta-acetate of glucose does not react with hydroxylamine.

(b) Amino acids behave like salts.

(c) Water soluble vitamins must be taken regularly in diet.

(d) The two strands in DNA are complimentary to each other.