What are the sticky ends of the restriction fragments?

31.What are the sticky ends of the restriction fragments?
Select one:
a. The surfaces of sticky ends have glue like substance that allow fragments to splice.
b. The surfaces of sticky ends contain the exact same nucleotides, allowing fragments to bond.
c. The surfaces of sticky ends contain matching base pairs, allowing fragments to splice.
d. The surfaces of sticky ends have velcro like structure, allowing fragments to bond.

32. What is a restriction endonuclease?
Select one:
a. It restricts the movement of the DNA outside the nucleus.
b. It is an enzyme that separates the DNA double helix.
c. It is an enzyme that cleaves at a specific nucleotide sequence.
d. It proofreads the DNA for accidental damages and corrects any errors.

33. The same restriction endonuclease must be used to excise the foreign DNA and bacterial DNA.
Select one:
True
False