Which strain of bacteria formed rough colonies?

Who was awarded the Nobel Prize for the synthesis of $RNA$ in $1959$?

The transformation experiment was performed on which of the following bacteria?

The Hershey and Chase experiment is given below. What are the processes $P, Q,$ and $R$?
$\quad\quad \quad P \quad\quad\quad Q \quad \quad\quad R$

Which of the following was responsible for the transformation of $R$ cells into $S$ cells?

Give an account of the Hershey and Chase experiment. What did it conclusively prove? If both $DNA$ and proteins contained phosphorus and sulphur,do you think the result would have been the same?