MarksRiser
MarksRiser
AIPMT PRELIMS2010Zoology-Molecular Biology

AIPMT PRELIMS 2010 Zoology DNA Sequencing MCQ Question

Type: MCQ-conceptual-Medium-Class 12

Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme?

A

5’ CACGTA 3’; 3’ CTCAGT 5’

B

5’ CGTTCG 3’; 3’ ATGTCG 5’

C

5’ GATATG 3’; 3’ CTCACT 5’

D

5’ GAATTC 3’; 3’ CTTAAG 5’

Correct Answer

Option D

Detailed Explanation

In DNA, a palindromic sequence is a sequence of base pairs which would read the same, provided that the orientation of reading is kept the same. Example: 5’ GAATTC 3’ and 3’ CTTAAG 5’.

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