Question

How many approaches are there which can be used for exonucleolytic activity in double stranded DNA molecules?

(a) 1

(b) 2

(c) 3

(d) 4

I had been asked this question in an interview.

Origin of the question is Exonucleases in division Basics of Genetic Engineering of Genetic Engineering

Answer 1

Right choice is (b) 2

The explanation: There are 2 approaches which can be used to carry out exonucleolytic activity in double stranded DNA. The two approaches which are used as a separation of both the strands together and separation of both the strands separately.