Adjacent nucleotides in a polynucleotide chain are joined by
$N-$glycosidic bond
Phosphodiester bond
$O-$glycosidic bond
Hydrogen bond
The double helix model of Watson and Crick is known as
..............is common for both $DNA$ and $RNA$ but.............is present only in $DNA$
If a double stranded $DNA$ has $20$ per cent of cytosine, calculate the per cent of adenine in the $DNA$.
Which amino acids are present in histones
The two strands of a double helix model of $DNA$ are held together by hydrogen bonds between