A restriction enzyme cuts DNA and leaves the following end: GGCTA C Which of the following could be the sequence of the corresponding end of the other fragment generated by the enzyme?
A) T
CGATA
B) GGCTA
C
C) CCGAT
G
D) C
GGCTA
E) None of the above

Question

Quizplus · Accepted Answer

The restriction enzyme cuts between GGCTA and C, leaving a sticky end with an overhang of C. The complementary sequence to this overhang would be G, making option A the correct choice.

A Restriction Enzyme Cuts DNA and Leaves the Following End