In sea urchin $DNA$, which is double stranded, $17\%$ of the bases were shown to be cytosine.The percentages of the other three basesexpected to be present in this $DNA$ are
$G\ 17\%, A\ 33\%, T\ 33\%$
$G\ 8.5\%, A\ 50\%, T\ 24.5\%$
$G\ 34\%, A\ 24.5\%, T\ 24.5\%$
$G\ 17\%, A\ 16.5\%, T\ 32.5\%.$
Which one of the following makes use of $RNA$ as a template to synthesize $DNA$
Purines of $DNA$ are represented by
What background information did Watson and Crick have made available for developing a model of $DNA$ ? What was their contribution ?
Which amino acids are present in histones
Chargaff's rules are applicable to