Podcast
Questions and Answers
Which enzyme replaces the RNA primer with a DNA sequence during DNA replication?
Which enzyme replaces the RNA primer with a DNA sequence during DNA replication?
- DNA helicase
- DNA primase
- DNA polymerase I (correct)
- DNA ligase
What is the role of DNA ligase in DNA replication?
What is the role of DNA ligase in DNA replication?
- Cuts the sugar-phosphate backbone
- Initiates DNA replication
- Joins Okazaki fragments on the lagging strand (correct)
- Separates DNA strands
Which enzyme relaxes supercoils by cutting the sugar-phosphate backbone during DNA replication?
Which enzyme relaxes supercoils by cutting the sugar-phosphate backbone during DNA replication?
- DNA polymerase I
- DNA helicase
- DNA primase
- DNA topoisomerase (correct)
What is the direction of DNA synthesis during replication?
What is the direction of DNA synthesis during replication?
What initiates the process of DNA replication?
What initiates the process of DNA replication?
Which protein binds to the origin of replication during the initiation of DNA replication?
Which protein binds to the origin of replication during the initiation of DNA replication?
What is the function of Primase in DNA replication?
What is the function of Primase in DNA replication?
Which enzyme catalyzes the formation of phosphodiester bonds between adjacent nucleotides in the new DNA strand?
Which enzyme catalyzes the formation of phosphodiester bonds between adjacent nucleotides in the new DNA strand?
In DNA replication, which strand has continuous synthesis in the direction of the replication fork?
In DNA replication, which strand has continuous synthesis in the direction of the replication fork?
What are Okazaki fragments in the context of DNA replication?
What are Okazaki fragments in the context of DNA replication?
Which type of DNA synthesis direction is characteristic of the lagging strand during DNA replication?
Which type of DNA synthesis direction is characteristic of the lagging strand during DNA replication?
In the Meselson-Stahl experiment, how did they label the DNA in E. coli initially?
In the Meselson-Stahl experiment, how did they label the DNA in E. coli initially?
What forms a tight band at the position where its density equals the CsCl density in the Meselson-Stahl experiment?
What forms a tight band at the position where its density equals the CsCl density in the Meselson-Stahl experiment?
Where does DNA synthesis proceed from during replication?
Where does DNA synthesis proceed from during replication?
What provides the energy for DNA synthesis during replication?
What provides the energy for DNA synthesis during replication?
Which enzyme catalyzes the formation of new phosphodiester bonds during DNA replication?
Which enzyme catalyzes the formation of new phosphodiester bonds during DNA replication?
Which stage of DNA replication involves opening up the double helix and preparing it for base pairing?
Which stage of DNA replication involves opening up the double helix and preparing it for base pairing?
