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.

Found an issue with this question?