The scientists involved in discovery of $DNA$ as chemical basis of heredity were
Hershey and Chase
Griffith and Avery
Avery, Mac Leod and McCarty
Watson and Crick
The unequivocal proof of $DNA$ as the genetic material came from the studies on a
Give scientific reasons : $DNA$ and not $RNA$ is the genetic material in majority of organisms.
$DNA$ contains
Which of the following was used by Hershey and Chase to prove that $DNA$ is the chemical basis of heredity
$DNA$ exists in a double-stranded form whereas $RNA $ is mainly a single stranded molecule. What is the likely reason for $DNA$ being double stranded?