Question

Restriction' in Restriction enzyme refers to:
a. Cleaving of phosphodiester bond in DNA by the enzyme
b. Cutting of DNA at specific position only
c. Prevention of the multiplication of bacteriophage in bacteria
d. All of the above


NCERT Class XII
Biology - Main Course Book

Chapter 11. Biotechnology: Princeples and Processes

Answer 1

The answer is: (a).......................

Answer 2

Answer:

d. All of the above

Explanation:

The answer is all of the above as the restriction enzyme do all of the above mentioned functions.

They do the hydrolysis of the phosphodiester bond in the DNA.

They cut the DNA at the specific site that we want.

they also prevent the multiplication of the bacteriophage as well by cutting the foreign DNA of the infectious organism