In both `DNA` and `RNA`, the heterocyclic base and phosphate ester linkages are at:

Options

A. `C_(5)'` and `C_(2)'` respectively of the sugar molecule
B. `C_(2)'` and `C_(5)'` respectively of the sugar molecule
C. `C_(1)` and `C_(5)'` respectively of the sugar molecule
D. `C_(5)'` and `C_(1)'` respectively of the sugar molecule.

Answer

C

Explanation

See the structure of nucleotide in nucleic acid.