DNA Replication Quiz

What is the nature of DNA replication?

• Dispersive

• Random

• Semi-conservative

• Conservative

Where does DNA replication occur in prokaryotes?

• Nucleus

• Cytosol

• Mitochondria

• Ribosome

What is the role of helicase in DNA replication?

• Joins DNA fragments

• Unwinds the DNA double helix

• Synthesizes RNA primers

• Repairs DNA mismatches

Which enzyme resolves positive and negative supercoils during DNA replication?

• Helicase

• Ligase

• Topoisomerase

• DNA polymerase

How do fluoroquinolone antibiotics affect bacterial DNA replication?

• Prevent helicase activity

• Block DNA gyrase and topoisomerase IV

• Disrupt RNA primer synthesis

• Inhibit DNA polymerase