If the distance between two consecutive base pairs is $0.34\, nm$ and the total number of base pairs of a $DNA$ double helix in a typical mammalian cell is $6.6 \times 10^{9}$ $bp,$ then the length of the $DNA$ is approximately
Purines found both in $DNA$ and $RNA$ are
Identify the basic amino acid from the following.
The bacterial genome contains
Which of the following is incorrect for $DNA$ structure?