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Home Questions JQBSJ94HYE
Target Exam

CUET

Subject

Biology

Chapter

Biotechnology -Principles and Processes

Question:

Assertion: Restriction enzymes recognize palindromic sequence.
Reason: Palindromic sequences read same in both directions of the two strands.

Options:

Both Assertion (A) and Reason (R) are correct and R is the correct explanation of A.

Both Assertion (A) and Reason (R) are correct  but R is not the correct explanation of A.

Assertion (A) is true but Reason (R) is not correct.

Both Assertion (A) and Reason are false (F ).

Correct Answer:

Both Assertion (A) and Reason (R) are correct  but R is not the correct explanation of A.

Explanation:

The palindrome in DNA is a sequence of base pairs that reads same on the two strands when orientation of reading strand is kept same. Restriction enzymes cut the strand of DNA a little away from the centre of the palindrome sites, but between the same two bases on opposite strands.

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