14.24     Write the important structural and functional differences between DNA and RNA.

Answers (1)
D Devendra Khairwa

Structural differences between DNA and RNA:- 

(i) The sugar moiety in DNA is D-2-deoxyribose whereas sugar moiety in RNA is D-ribose.

(ii) DNA contains thymine but it is absent in RNA.

(iii) The helical structure of DNA is double-stranded whereas it is single-stranded in case of RNA.

Functional differences between DNA and RNA:-  The main function of DNA is to provide heredity but the main function of RNA is a synthesis of protein in a cell.