Life span of $mRNA$ in E. coli is
Less than one minute
$2$ minutes
Five minutes
More than $10$ minutes
The enzyme that breaks $H_2$ bonds in $DNA$ is
Method by which information from $DNA$ to $RNA$ reach
Repressor of lac-operon
$X$ -ray diffration data produced by ........ and……..
A complex of ribosomes attached to a singlestrand of $RNA$ is known as