In Streptococcus pneumoniae
virulent form is smooth.
virulent form is rough.
nonvirulent form is capsulated.
all forms are rough.
A bacterium grown over medium having radioactive Sulphur incorporates radioactivity in
A molecule that can act as a genetic material must fulfill the traits given below, except
Which of the following radioactive isotopes were utilised for labelling protein and $DNA$ in transduction experiment respectively?
Give scientific reasons : Viruses can be used in the manufacturing proteins.
Give scientific reasons : $DNA$ and not $RNA$ is the genetic material in majority of organisms.