Question

Read the following statements and select the correct ones.
(i) Electrophoresis is a technique used for the separation of molecules based on their size and charge.
(ii) Plasmids are extra-chromosonmal, self-replicating, usually circular, double standard DNA molecules found naturally in many bacteria and also in some yeast,.
(iii) It is not advisable to use an exonuclease enzyme while producing a recombinant DNA molecule.
(iv) In EcoRl, the roman numberal I indicates that it was the first enzyme isolated from E. coli Rt 13.

Answer 1

Answer:

All the statements given in the question are correct .  

Electrophoresis is a technique used for the separation of molecules based on their size and charge.

Plasmids are extra-chromosomal, self-replicating, usually circular, double stranded DNA molecules found naturally in many bacteria and also in some yeast.

It is not advisable to use an exonuclease enzyme while producing a recombinant DNA molecule.

In EcoRI, the roman numeral I indicates that it was the first enzyme isolated from E.coli RY 13.