Question 1
Proofreading improves the accuracy or fidelity of DNA replication by a factor of about:
◦ 2-fold.
◦ 10-fold.
◦ 30-fold.
◦ 60-fold.
◦ 100-fold.
Question 2
Replication fork stalling in E. coli occurs:
◦ in less than 2% of cells.
◦ in 5–10% of cells.
◦ in about 20% of cells.
◦ in 18–50% of cells.
◦ in about 60% of cells.