Ques. The restriction enzymes are used in genetic engineering, because
A. they can cut DNA at specific base sequence
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
Ques. The restriction enzymes are used in genetic engineering, because
A. they can cut DNA at specific base sequence B. they are nucleases that cut DNA at variable sites C. they can degrade harmful proteins D. they can join different DNA fragments.