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

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

What is meant by primary structure of proteins?

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

Name the purines present in DNA.

Differentiate between aldose and Ketose ? 

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

How do amino acids from proteins?

What is nucleotide?

Define mutation.