NEET2022Zoology-Molecular Biology
NEET 2022 Zoology DNA Sequencing MCQ Question
Type: MCQ-conceptual-Medium-Class 12
In the following palindromic base sequences of DNA, which one can be cut easily by particular restriction enzyme?
A
5' CTCAGT 3' ; 3' GAGTCA 5'
B
5' GTATTC 3' ; 3' CATAAG 5'
C
5' GAATTC 3' ; 3' CTTAAG 5'
D
5' GAATTC 3' ; 3' CTTAAG 5'
Correct Answer
Option C
Detailed Explanation
The sequence 5' GAATTC 3' is recognized by the restriction enzyme EcoRI, which cuts between G and A, making it a common palindromic sequence for restriction enzymes.
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