DNA Ligase Links Two ____ DNA Fragments by ____ Bonds

Question

DNA ligase links two ____ DNA fragments by ____ bonds.
A) complementary; hydrogen
B) circular; covalent
C) palindromic; covalent
D) linear; covalent
E) linear; hydrogen

Accepted Answer

DNA ligase links two linear DNA fragments by forming covalent bonds between the phosphate backbone of the DNA molecules, thereby joining fragments together end-to-end.