Biochemistry Which of the following is not common to synthesis of both leading and lagging strands A RNA primer is needed B Nucleoside monophosphates are added in 5' to 3' direction along the growing DNA chain C DNA polymerase III synthesizes DNA D DNA ligase repeatedly join the ends of DNA along the growing strands. 💡 Explanation Which of the following is not common to synthesis of both leading and lagging strands ✓ Correct Answer: D. DNA ligase repeatedly join the ends of DNA along the growing strands.