In the Hershey and Chase experiment,proteins and $DNA$ can be labeled with which of the following respectively?

$DNA$ is the genetic material was proved by ...... .

Which of the following molecules was the subject of debate regarding the genetic material?

Following representations $P$,$Q$ and $R$ denote few steps of the Griffith Experiment. Identify the correct one$(s)$:
$P. R$ strain $\rightarrow$ Inject into mice $\rightarrow$ Mice die
$Q. S$ strain (Heat killed) $\rightarrow$ Inject into mice $\rightarrow$ Mice die
$R. R$ strain $\rightarrow$ Inject into mice $\rightarrow$ Mice live

The scientists involved in the discovery of $DNA$ as the chemical basis of heredity were:

The term,genetic $RNA$ refers to