Life span of $mRNA$ in E. coli is
Less than one minute
$2$ minutes
Five minutes
More than $10$ minutes
The total number of nitrogenous bases in human genome is estimated to be about
In which step of $DNA$ profiling, nitrocellulose membrane is used?
In eukaryotes, the $RNA$ polymerase that synthesises $tRNA$ is $RNA$ polymerase ______ and is also responsible for formation of ______ $rRNA$.
Streptomycin and related antibiotics bind to small sub-units of ribosomes in prokaryotes and they