Which type of $RNA$ is most abundant in cell
$m\ RNA$
$t\ RNA$
$r\ RNA$
catalytic $RNA$
During infection of $\mathrm{E}$. coli cells by bacteriophage $T2$,
$DNA$ gyrase, the enzyme that participates in the process of $DNA$ replication is a type of
The sum of genes in a population is called
What is incorrect for $UTR$?