What describes the replication process at each origin of replication?
Understand the Problem
The question is asking to identify the correct description of the replication process at each origin of replication from the given options. It is focused on molecular biology concepts regarding DNA replication.
Answer
Unwinding the DNA helix, synthesizing RNA primer, and using DNA polymerase for base pairing.
DNA replication at each origin involves unwinding the DNA double helix, synthesizing an RNA primer, and DNA polymerase matching new bases to each original strand.
Answer for screen readers
DNA replication at each origin involves unwinding the DNA double helix, synthesizing an RNA primer, and DNA polymerase matching new bases to each original strand.
More Information
Each origin of replication starts the process by unwinding the DNA helix. An RNA primer is created to serve as a starting point, then DNA polymerase adds nucleotides in a complementary manner to create the new DNA strand.
Tips
A common mistake is to overlook the need for RNA primers in the initiation step of DNA replication.
Sources
- Molecular mechanism of DNA replication (article) - Khan Academy - khanacademy.org
- Cells Can Replicate Their DNA Precisely | Learn Science at Scitable - nature.com
- DNA replication - Wikipedia - en.wikipedia.org
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