Polymerase chain reaction $\text{(PCR)}$ amplifies $\text{DNA}$ following the equation:

Identify and explain steps $A$,$B$,and $C$ in the $PCR$ diagram given below.

$A$ number of bacteria with recombinant $DNA$ of the same type form:

Which of the following is not present in a bioreactor?

With respect to $DNA$ fragmentation:
Statement $A$: Gel electrophoresis and elution are two important processes.
Statement $B$: After staining with ethidium bromide,it has to be exposed to $UV$ light.

Which of the following range of temperature is required for denaturation,annealing of primer,and primer extension of $PCR$ respectively?