What type of bonding occurs in β-pleated structure of proteins?

Differentiate between aldose and Ketose ? 

What is nucleotide?

What is meant by primary structure of proteins?

How do amino acids from proteins?

Name the purines present in DNA.

Define mutation.

Give the name and the structural formula of the simplest amino acid.

Give structural difference is there between α-glucose and β-glucose?

Deficiency of which vitamin causes
(i) rickets, (ii) Scurvy?