Home Biology Biotechnology Principles and Processes Previous Year Questions In the following palindromic base sequences …
Biology Biotechnology Principles and Processes Previous Year Questions Single Correct MCQ
Published on: August 21, 2026

In the following palindromic base sequences of DNA, which one can be cut easily by particular restriction enzyme?

A
5' G TATTC 3'; 3' CATAAG 5'
B
5'GATACT
C
5' GAATTC
D
5' CTCAGT 3 '; 3 ' GAGTCA 5 '

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The correct answer is:
C

A palindromic sequence is defined as a nucleotide sequence in a double-stranded DNA or RNA, when we read it from 5' end to end is the same as that on the complementary strand reading from end to end. Each restriction endonuclease recognises a specific palindromic nucleotide sequences in the DNA.

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