AIPMT MAINS2012Botany-Molecular Biology
AIPMT MAINS 2012 Botany DNA Structure MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Which one of the following represents a palindromic sequence in DNA?
A
5' - GAATTC - 3' 3' - CTTAAG - 5'
B
5' - CCAATG - 3' 3' - GAATCC - 5'
C
5' - CATTAG - 3' 3' - GATAAC - 5'
D
5' - GATACC - 3' 3' - CCTAAG - 5'
Correct Answer
Option A
Detailed Explanation
5' - GAATTC - 3' and 3' - CTTAAG - 5' is a palindromic sequence of DNA cut by the restriction enzyme ECORI.
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