$A$ nucleoside is composed of:

In the structure of a dinucleotide,between which carbons of the sugars of two consecutive nucleotides is the phosphodiester bond formed?

In the polynucleotide chain of $DNA$,a nitrogenous base is linked to the $-OH$ of

In $DNA$,if $10\%$ guanine is present,what is the percentage of thymine present (in $\%$)?

$mRNA$ is a polymer of

In the structure of $DNA$,if one nitrogenous base is adenine,which nitrogenous base pairs with it?