10 Questions
What is the speed of replication per fork in E. coli?
1000 bp per second
How many growing forks emerge from a single origin site during DNA replication?
Two
What type of DNA molecules have only one replication origin?
Circular DNA molecules
What is the size of the E. coli replication origin oriC?
240 bp
What is the time required for E. coli to replicate its single circular chromosome of 4,639,221 bp?
42 minutes
During DNA replication, how does most DNA replication proceed?
Bidirectionally with both strands being copied at each fork
What is the average speed of replication per fork in E. coli?
1000 bp per second
In which type of DNA molecules do circular DNA molecules present?
Bacteria, plasmids, and some viruses
What is the size of the E. coli replication origin oriC?
≈240 bp
What is the replication origin oriC rich in?
Adenine and thymine residues
Test your knowledge of the general features of chromosomal DNA replication with this quiz. Learn about semiconservative replication, bidirectional replication, and circular DNA molecules in bacteria and plasmids.
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