The bond between the phosphate group and the hydroxyl group of the sugar is known as a/an:

Assertion : $DNA$ is associated with proteins.
Reason : $DNA$ binds around histone proteins that form a pool and the entire structure is called a nucleosome.

What forms the backbone of a polynucleotide chain?

In $RNA$,the adenine base can pair with .......

The octamer that forms a complex unit with $DNA$ is called:

If a length of $DNA$ has $45,000$ base pairs,how many complete turns will the $DNA$ molecule take?