NEET2019Zoology-Biotechnology

NEET 2019 Zoology Restriction Enzymes MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Following statements describe the characteristics of the enzyme restriction endonuclease. Identify the INCORRECT statement.

A

The enzyme cuts the sugar – phosphate backbone at specific sites on each strand.

B

The enzyme recognizes a specific palindromic nucleotide sequence in the DNA.

C

The enzyme cuts DNA molecule at identified position within the DNA.

D

The enzyme binds DNA at specific sites and cuts only one of the two strands.

Correct Answer

Option D

Detailed Explanation

Restriction endonucleases cut both strands of DNA at specific sites, not just one strand.

Found an issue with this question?