Question

Which one is correct answer for plasmid ?

i) It can be readily isolated from cells
ii) It possesses a single recognition site for one restriction enzyme
iii) It should have high molecular weight
iv) Plasmids and bacteriophages have the ability to replicate within bacteria

• A. i, ii, iv
• B. i, ii, iii, iv
• C. ii, iii, iv
• D. i, ii, iii

Answer 1

Answer: (A)

i, ii, iv

A. i.ii, iv

Solution : Plasmids can be isolated from the the cells by plasmid isolation techniques.Plasmids possess single recognition sites for one restriction enzyme and they have the ability to replicate within bacteria because of the presence of an ARS.

So the correct answer is " i,ii,iv"