"Nu body" was shown by

If the sequence of one strand of $DNA$ is $5^{\prime}-ATGCATCG-3^{\prime}$,find the sequence of the complementary strand in the $5^{\prime} \rightarrow 3^{\prime}$ direction.

$DNA$ is a polymer of

In the $DNA$ molecule,

In $DNA$,cytosine pairs with

Select the option that represents the organisms in ascending order of their $DNA$ length.