If a double stranded DNA has $20\; \%$ of cytosine, what will be the percentage of adenine in it?
$20\; \%$
$40\; \%$
$30\; \%$
$60\; \%$
One turn of the helix in a Bform $DNA$ is approximately
Which of the following is not found in $DNA$
Describe double helix structure of $DNA$ and how are the sequences of other strand predicted.
$DNA$ was first discovered by
In the $340 A^o$ long $DNA$ strand