Which of the following nitrogenous bases is not a pyrimidine?

Which bond connects the nitrogenous base to the pentose sugar in a nucleotide?

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

What is the distance between two consecutive base pairs in the structure of $DNA$ (in $nm$)?

Telomeric repetitive $DNA$ sequences control the function of eukaryotic chromosomes because they...

If the sequence of one strand of $DNA$ is $5^{\prime}-ATGCATCG-3^{\prime}$,find the sequence of the complementary strand in the $5^{\prime} \rightarrow 3^{\prime}$ direction.