The substance that acts as connecting link between two generations is
Ribonucleic acid
Deoxyribonucleic acid
Nucleoplasm
Ribonucleic acid + Deoxyribonucleic acid
Nucleotide pairs present in one turn of $DNA$ helix
$DNA$ is not directly involved with the synthesis of the following
$DNA$ polymerase enzyme is responsible for the synthesis of
Adjacent nucleotides in a polynucleotide chain are joined by
A nucleoside differs from a nucleotide in not having