Introduction

• Compound of base and sugar :-Nucleoside
• Monomeric unit from which nucleic acid are synthesized : Nucleotide
• Purine (Adenine and Guanine)
• Pyrimidine (Cytosine, Thymine and Uracil).

Function of Nucleotides and Nucleic acids

a) Cellular metabolism

b) Energy currency in metabolic transactions

c) Constituents of DNA and RNA