The haploid content of human $DNA$ is
$3.3 \times 10^{6} b p$
$3.3 \times 10^{9} b p$
$4.6 \times 10^{6} b p$
$6.6 \times 10^{9} b p$
The substance that acts as connecting link between two generations is
Which one of the following pair is a purine pair?
Packaging of $DNA$ helix
Definitions/Explanation : Nucleoside & Histones
Nucleosomes are