NEET2020Zoology-Molecular Biology

NEET 2020 Zoology Restriction Enzymes MCQ Question

Type: MCQ-conceptual-Medium-Class 11

The specific palindromic sequence which is recognized by EcoRI is:

A

5' - CTTAAG - 3' 3' - GAATTC - 5'

B

5' - GGATCC - 3' 3' - CCTAGG - 5'

C

5' - GAATTC - 3' 3' - CTTAAG - 5'

D

5' - GGAACC - 3' 3' - CCTTGG - 5'

Correct Answer

Option C

Detailed Explanation

EcoRI recognizes the palindromic sequence 5' - GAATTC - 3' and cuts between G and A.

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