What is the molecular formula of the sugar present in the structure of $DNA$?

At which position does the phosphate group attach to the pentose sugar in a nucleotide?

Identify the correct sequence of genetic material in descending order of size (from largest to smallest).

The nucleic acid base having two possible binding sites is

Identify the correct sequence of packaging structures from $DNA$ to chromosome.

Who proposed that for a double-stranded $\text{DNA},$ the ratios between Adenine and Thymine and Guanine and Cytosine are constant and equal to one?