A probe which is a molecule used to locate homologous sequences in a mixture of DNA or RNA molecules could be:
A. A ssRNA

B. A ssDNA

C. Either RNA or DNA

D. Can be ssDNA but not ssRNA

Explain three steps involved in polymerase chain reaction.

(a) How has the development of bioreactor helped in biotechnology?

(b) Name the most commonly used bioreactor and describe its working.

Explain the roles of the following with the help of an example each in recombinant DNA technology:

(a) Restriction Enzymes

(b) Plasmids