Practicing Success

Target Exam

CUET

Subject

Biology

Chapter

Biotechnology -Principles and Processes

Question:
Select whether the statements are true or false:-
i) Restriction enzymes cut the strand of DNA from the exact centre of the palindromic sites.
ii)Cutting of the DNA strands by restriction endonuclease leave overhanging stretches called sticky ends on each strand.
iii)The sticky ends are named so because they form hydrogen bonds with their complementary cut counter parts.
Options:
i-F ii-T iii-T
i-F ii-T iii-F
i-T ii-T iii-T
i-T ii-F iii-F
Correct Answer:
i-F ii-T iii-T
Explanation:
Restriction enzymes cut the strand of DNA a little away from the centre of the palindromic sites.