Which molecule is inherited by the offspring produced by parents?

If a $DNA$ molecule contains $10,000$ base pairs, how many nucleotides does it have?

The linkage between two nucleotides occurs between the $3'$ carbon of the sugar of the first nucleotide and the $5'$ carbon of the sugar of the second nucleotide. Which of the following correctly represents these positions?

Nucleic acids exhibit secondary structure. Describe through the Watson-Crick model.

In $B-DNA$,the rise per base pair would be

The base pairs of $DNA$ are correctly shown as