Podcast
Questions and Answers
During DNA replication, in which direction does DNA polymerase III elongate DNA strands?
During DNA replication, in which direction does DNA polymerase III elongate DNA strands?
- 5' to 3' (correct)
- 3' to 5'
- 3' to 3'
- 5' to 5'
Which strand, between the leading and lagging strands, can elongate continuously as the replication fork progresses?
Which strand, between the leading and lagging strands, can elongate continuously as the replication fork progresses?
- Neither strand
- Lagging strand
- Leading strand (correct)
- Both strands
What is the function of DNA ligase during DNA replication?
What is the function of DNA ligase during DNA replication?
- Priming DNA synthesis
- Join Okazaki fragments (correct)
- Elongate DNA strands
- Initiate polynucleotide synthesis
Which statement is true about the synthesis of the lagging strand during DNA replication?
Which statement is true about the synthesis of the lagging strand during DNA replication?
What is the initial nucleotide strand used to start DNA synthesis?
What is the initial nucleotide strand used to start DNA synthesis?
Why can DNA polymerases not initiate the synthesis of a polynucleotide chain?
Why can DNA polymerases not initiate the synthesis of a polynucleotide chain?
What is the main enzyme responsible for adding nucleotides to the 3' end of a growing DNA strand?
What is the main enzyme responsible for adding nucleotides to the 3' end of a growing DNA strand?
Which end of the new DNA strand do DNA polymerases add nucleotides to?
Which end of the new DNA strand do DNA polymerases add nucleotides to?
In which direction does DNA polymerase III synthesize the leading strand during replication?
In which direction does DNA polymerase III synthesize the leading strand during replication?
How is the lagging strand synthesized during DNA replication?
How is the lagging strand synthesized during DNA replication?
What is the key function of DNA ligase in DNA replication?
What is the key function of DNA ligase in DNA replication?
How does the antiparallel structure of the double helix impact DNA replication?
How does the antiparallel structure of the double helix impact DNA replication?
What is the role of DNA polymerase III on the leading strand during DNA replication?
What is the role of DNA polymerase III on the leading strand during DNA replication?
During lagging strand synthesis, what is the role of DNA ligase?
During lagging strand synthesis, what is the role of DNA ligase?
What happens when a thymine dimer distorts the DNA molecule?
What happens when a thymine dimer distorts the DNA molecule?
What is the main function of DNA polymerase I in DNA replication?
What is the main function of DNA polymerase I in DNA replication?
When does DNA polymerase III dissociate from the DNA strand during replication?
When does DNA polymerase III dissociate from the DNA strand during replication?
What is the consequence of replacing the last RNA nucleotide with DNA during lagging strand synthesis?
What is the consequence of replacing the last RNA nucleotide with DNA during lagging strand synthesis?
