NEET Biology question

The restriction enzymes are used in genetic engineering because: [AIPMT 1995]

(A)They can cut DNA at a specific base sequenceCorrect
(B)They are nucleases that cut DNA at variable sites
(C)They can degrade harmful proteins
(D)They can join different DNA fragments

Answer: (A)

Solution

Restriction enzymes do not cut at variable/random sites (option b is the opposite of their defining property), they do not degrade proteins, and they do not join DNA fragments

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-125189