The function of the eukaryotic DNA replication factor PCNA (proliferating cell nuclear antigen) is similar to that of the subunit of bacterial DNA polymerase III in that it:
A) facilitates replication of telomeres.
B) forms a circular sliding clamp to increase the processivity of replication.
C) has a 3ʹ 5ʹ proofreading activity.
D) increases the speed but not the processivity of the replication complex.
E) participates in DNA repair.
Correct Answer:
Verified
Q2: The Meselson-Stahl experiment established that:
A) DNA polymerase
Q3: At replication forks in E. coli:
A) DNA
Q4: E. coli DNA polymerase III:
A) can initiate
Q5: An Okazaki fragment is a:
A) fragment
Q6: Which statement about enzymes that interact
Q8: Which compound is NOT required for initiation
Q9: The role of the Dam methylase is
Q10: Which factor is NOT required for
Q11: The ABC excinuclease is essential in:
A) base-excision
Q12: In base-excision repair, the first enzyme to
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