In which of the following is $DNA$ the genetic material?

You are repeating the Hershey-Chase experiment and are provided with two isotopes: $^{32}P$ and $^{15}N$ (in place of $^{35}S$ in the original experiment). How do you expect your results to be different?

Which strain of bacteria possesses a mucous (polysaccharide) coat?

The relationship between genes and $\text{DNA}$ is best understood by $.........$ ?

Which of the following is not correct for a molecule acting as genetic material?

Recall the experiments done by Frederick Griffith,Avery,MacLeod,and McCarty,where $DNA$ was speculated to be the genetic material. If $RNA$,instead of $DNA$,was the genetic material,would the heat-killed strain of $Pneumococcus$ have transformed the $R$-strain into a virulent strain? Explain.