One turn of $DNA$ possesses
one base pair
two base pairs
five base pairs
ten base pairs
The diagram shows an important concept in the genetic implication of $DNA$. Fill in the blanks $A$ to $C$.
Nucleotide pairs present in one turn of $DNA$ helix
Which one of the following histone is not present in the core particle of nucleosome
Cytidine is a
The chemical nature of chromosome is as follows