Question
Biology Question on Biotechnology
Restriction endonucleases
A
Are used for invitro DNA synthesis
B
Are synthesized by bacteria as part of defense mechanism
C
Are present in mammalian cells for degradation of DNA when the cells dies
D
Are used in genetic engineering for ligating two DNA molecules
Answer
Are synthesized by bacteria as part of defense mechanism
Explanation
Solution
The correct option is (B): Are synthesized by bacteria as part of defense mechanism