Which Statement About Recombinant DNA Is True

Multiple Choice

Which statement about recombinant DNA is true?

A) All restriction endonucleases generate blunt-end fragments.
B) Hydrogen bonds between base pairs are very strong.
C) Blunt ends are exposed bases that can hybridize with complementary sequence fragments.
D) Sticky ends prevent DNA ligase activity.
E) Restriction endonucleases cut both strands of DNA simultaneously.