The successive nucleotides of $RNA$ are covalently linked through or antiparallal
Glycosidic bonds
Phosphodiester bonds
Hydrogen bonds
None of these
The chemical nature of chromosome is as follows
Purines found both in $DNA$ and $RNA$ are
Which one of the following statements about Histones is wrong?
In sea urchin $DNA$, which is double stranded, $17\%$ of the bases were shown to be cytosine.The percentages of the other three basesexpected to be present in this $DNA$ are
Packaging of $DNA$ helix