AIIMS2014ZoologyMolecular Basis of Inheritance
DNA and RNA comprise of
Options
- Asugar, phosphate, base
- Bsugar, phosphate
- Cbase, phosphate
- Dsugar, base.
Correct answer
A. sugar, phosphate, base
Step-by-step solution
DNA and RNA are nucleic acids which are found in living systems. DNA is a long polymer of deoxyribonucleotides and RNA is a long polymer of ribonucleotides. A nucleotide has 3 components - a nitrogenous base, a pentose sugar and a phosphate group.