Question

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' ___ CG TTCG ___ 3'
  3' ___ ATGGTA ___ 5'
• B. 5' ___ GATATG ___ 3'
  3' ___ CTACTA ___ 5'
• C. 5' ___ GAATTC ___ 3'
  3' ___ CTTAAG ___ 5'
• D. 5' ___ CACGTA ___ 3'
  3' ___ CTCAGT ___ 5'

Answer 1

The correct option is C 5' ___ GAATTC ___ 3'

3' ___ CTTAAG ___ 5'
Palindromic sequences in DNA molecule are group of bases that form the same sequence when read in both forward and backward direction.