$tRNA$ is also known as:

How many base pairs of $DNA$ are present in the structure shown below?

Which of the following radiations causes damage to $DNA$?

One full turn of the $B-DNA$ helix is approximately .... (in $nm$)

Which purine and pyrimidine bases are linked together by $H$-bonds in $DNA$?

$A$ $340 \text{ Å}$ long segment of $DNA$ molecule has $20$ thymine nitrogenous bases. What will be the number of guanine nitrogen bases in the same segment?