The enzymes formed by a bacteriophage that rupture the bacterial cell wall are known as:

Which one of the following does not follow the central dogma of molecular biology?

How many of the following organisms have $RNA$ as their genetic material?
$TMV$,Humans,Bacteria,$Q\beta$ bacteriophage,Bacteriophage $\lambda$,Yeast,Maize,$\phi \times 174$ bacteriophage,Retroviruses.

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

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

Which sequence is used to determine the phylogenetic history of an organism?