Stirred-tank bioreactors have advantages over shake flasks because they

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

Which of the following methods is used for the isolation of $DNA$?

$A$ simple stirred-tank bioreactor is shown below. Identify $A, B, C, D$,and $E$.

In this technique,large quantities of biotechnological products such as antibiotics,vaccines,and enzymes are produced by maintaining and growing only the desired microbes/eukaryotic cells in a sterile environment.

Which process takes place in a bioreactor?