Biotechnology Principles And Processes Ques 2
2. Which one of the following palindromic base sequences in DNA can be easily cut at about the middle by some particular restriction enzyme?
$[2010]$
(a) 5 ’ $\qquad$ CGTTCG. $\qquad$ $3^{\prime}$
3’ $\qquad$ ATGGTA $\qquad$ $5^{\prime}$
(b) $\qquad$ .GATATG…………… $3^{\prime}$
$3^{\prime}$ $\qquad$ CTACTA…………. $5^{\prime}$
(c) 5 . $\qquad$ .GAATTC ………….. $3^{\prime}$
3’, $\qquad$ CTTAAG…………. $5^{\prime}$
(d) 5 , $\qquad$ .CACGTA………… $3^{\prime}$
3’ CTCAGT…………. 5 '
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Answer:
Correct Answer: 2.( c )
Solution:
- (c) Palindromic sequences in DNA molecule are group of bases that forms the same sequence when read in both forward and backward direction. In the given question, only option (c) represent a palindromic sequence.
BETA
