Multiple Choice
Once the DNA at the replication fork is unwound by helicases, what prevents the two strands from coming back together to re-form a double helix?
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14. DNA Synthesis
Steps of DNA Replication
Multiple Choice
What is the last step in DNA replication called?
A
Proofreading
B
Termination
C
Elongation
D
Initiation
Verified step by step guidance1
Understand the process of DNA replication, which involves several key stages: initiation, elongation, and termination.
Initiation is the first step where the replication process begins at specific sites called origins of replication.
Elongation is the phase where new DNA strands are synthesized by DNA polymerase enzymes, adding nucleotides to the growing strand.
Proofreading occurs during elongation, where DNA polymerase checks and corrects errors in the newly synthesized DNA strand.
Termination is the final step in DNA replication, where the replication process concludes once the entire DNA molecule has been copied.
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