Podcast
Questions and Answers
What is the result of semi-conservative replication in terms of DNA strands?
What is the result of semi-conservative replication in terms of DNA strands?
- Two DNA molecules, each with one parental strand and one daughter strand (correct)
- Two DNA molecules, one with solely parental strands and one with solely daughter strands
- One DNA molecule with two parental strands and one with two daughter strands
- One DNA molecule with alternating segments of parental and daughter DNA
Which model of replication suggests that the two original DNA strands re-basepair with each other after replication?
Which model of replication suggests that the two original DNA strands re-basepair with each other after replication?
- Bidirectional replication
- Dispersive replication
- Conservative replication (correct)
- Semi-conservative replication
What is the characteristic of dispersive replication?
What is the characteristic of dispersive replication?
- Replication occurs in a semi-discontinuous manner
- Each DNA molecule has one parental and one daughter strand
- DNA molecules have alternating segments of parental and daughter DNA (correct)
- New DNA strands are synthesized in one direction
Which experiment supported Watson and Crick's hypothesis of semi-conservative replication?
Which experiment supported Watson and Crick's hypothesis of semi-conservative replication?
What is the key feature of semi-conservative replication in terms of DNA synthesis?
What is the key feature of semi-conservative replication in terms of DNA synthesis?
What is the result of the Meselson-Stahl experiment in terms of DNA replication?
What is the result of the Meselson-Stahl experiment in terms of DNA replication?
What is the site where the nucleotide addition occurs during DNA synthesis?
What is the site where the nucleotide addition occurs during DNA synthesis?
What is the frequency of errors in DNA replication in E. coli?
What is the frequency of errors in DNA replication in E. coli?
According to the Meselson and Stahl experiment, what is the composition of each new double-stranded DNA helix?
According to the Meselson and Stahl experiment, what is the composition of each new double-stranded DNA helix?
What is the primary mechanism used by enzymes to ensure high fidelity during DNA replication?
What is the primary mechanism used by enzymes to ensure high fidelity during DNA replication?
What technique did Meselson and Stahl use to distinguish between parent and newly copied DNA?
What technique did Meselson and Stahl use to distinguish between parent and newly copied DNA?
What is the term for the process of DNA replication demonstrated by the Meselson and Stahl experiment?
What is the term for the process of DNA replication demonstrated by the Meselson and Stahl experiment?
What is the function of the 3′→5′ exonuclease activity in DNA polymerase?
What is the function of the 3′→5′ exonuclease activity in DNA polymerase?
Which DNA polymerase is the principal replication polymerase?
Which DNA polymerase is the principal replication polymerase?
What is the significance of the Meselson and Stahl experiment in the context of DNA replication?
What is the significance of the Meselson and Stahl experiment in the context of DNA replication?
What is the term for atoms of the same element that have the same number of protons but a different number of neutrons in their nuclei?
What is the term for atoms of the same element that have the same number of protons but a different number of neutrons in their nuclei?
What is the purpose of proofreading during DNA replication?
What is the purpose of proofreading during DNA replication?
What was the model system used by Meselson and Stahl in their famous experiment on DNA replication?
What was the model system used by Meselson and Stahl in their famous experiment on DNA replication?
