Given below are two statements:
Statement $I:$ $RNA$ mutates at a faster rate.
Statement $II$: Viruses having RNA genome and shorter life span mutate and evolve faster.
In the light of the above statements, choose the correct answer from the options given below:
Statement $I$ is false but Statement $II$ is true.
Both Statement $I$ and Statement $II$ are true.
Both Statement $I$ and Statement $II$ are false.
Statement $I$ is true but Statement $II$ is false.
Give scientific reasons : $DNA$ and not $RNA$ is the genetic material in majority of organisms.
Chemically $DNA$ differs from $RNA$ in having
In chromosomes, the material controlling heredity is
$A :$ DNase can inhibit the process of transformation.
$R :$ Transformation is absorption of $DNA$ segment from the surrounding medium by a living bacterium
Describe Hershey - Chase experiment or How it was proved the DNA is genetic material ?