Question: What is the significance of the \'sticky ends\' produced by some restriction enzymes?

Options:

1. They allow for easier ligation of DNA fragments
2. They prevent DNA degradation
3. They enhance PCR efficiency
4. They facilitate RNA transcription

Correct Answer: They allow for easier ligation of DNA fragments

Solution:

\'Sticky ends\' created by certain restriction enzymes allow for easier ligation of DNA fragments by providing complementary overhangs.