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.
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