Class 12 NEET Biology Molecular Basis of Inheritance Questions Part 1

Deoxyribonucleic acid and ribonucleic acid as the name suggests are made up of several nucleotide monomers. Each nucleotide consists of pentose sugar, phosphate group and nitrogenous bases. DNA has deoxyribose sugar whereas RNA has ribose sugar. The bases in DNA molecule are A,T,G and C whereas in RNA, thymine is absent and instead uracil is found.