Podcast
Questions and Answers
What type of DNA replication involves one old and one newly made strand in the replicated double helix?
What type of DNA replication involves one old and one newly made strand in the replicated double helix?
- Semiconservative model (correct)
- Conservative model
- Dispersive model
- Concerted model
What is the role of helicases in DNA replication?
What is the role of helicases in DNA replication?
- Relieving strain ahead of the replication fork
- Unwinding the double helix (correct)
- Adding nucleotides to the growing DNA strand
- Synthesizing RNA primers
Which enzyme synthesizes RNA primers during DNA replication?
Which enzyme synthesizes RNA primers during DNA replication?
- Topoisomerase
- Primase (correct)
- DNA polymerase
- Helicase
In what direction does DNA polymerase elongate the new DNA strand?
In what direction does DNA polymerase elongate the new DNA strand?
What is the function of single-strand binding proteins in DNA replication?
What is the function of single-strand binding proteins in DNA replication?
Which molecule released during nucleotide addition helps drive the polymerization reaction during DNA replication?
Which molecule released during nucleotide addition helps drive the polymerization reaction during DNA replication?
What is the primary difference between the synthesis of the leading and lagging strands during DNA replication?
What is the primary difference between the synthesis of the leading and lagging strands during DNA replication?
What is the function of DNA ligase in DNA replication?
What is the function of DNA ligase in DNA replication?
Why does DNA replication only proceed in the 5′→3′ direction?
Why does DNA replication only proceed in the 5′→3′ direction?
When does DNA polymerase I replace RNA nucleotides with DNA nucleotides?
When does DNA polymerase I replace RNA nucleotides with DNA nucleotides?
Which enzyme plays a key role in reducing the error rate during DNA replication?
Which enzyme plays a key role in reducing the error rate during DNA replication?
Why is lagging strand synthesis slightly delayed relative to leading strand synthesis?
Why is lagging strand synthesis slightly delayed relative to leading strand synthesis?
