Which one of the following palindromic base
sequences in DNA can be easily cut at about the
middle by some particular restriction enzyme?
5' _____ CG TTCG ______ 3'
3' ______ATGGTA ______5'
5'______GAATTC ______3'
3'______CTTAAG______5'
5'______CACGTA______3'
3'______CTCAGT______5'
5'______GATATG ______3'
3'______CTACTA ______5'
