DNA Polymerase
About the Lecture
The lecture DNA Polymerase by Kevin Ahern, PhD is from the course DNA Replication and Repair.
Included Quiz Questions
Which of the following is true regarding polymerase proofreading?
- It comes from the 3’ to 5’ exonuclease activity of some DNA polymerases.
- It involves changes in the parent DNA strand.
- It is present on all DNA polymerases.
- It is due to a 5’ to 3’ exonuclease activity of a DNA polymerase.
Which of the following statements about E. coli DNA polymerase I is NOT true?
- It has a high processivity.
- It has three enzymatic activities.
- It replicates short fragments.
- It has a hand-like structure.
- It does not use clamp protein.
Which of the following is true about DNA polymerase processivity?
- DNA polymerases with high processivity remain on the DNA molecule for a longer period of time.
- It refers to how fast it associates with DNA.
- It increases when the enzyme moves to different strands rapidly.
- It is destabilized by the beta clamp.
Which of the following statements about reverse transcriptase is NOT true?
- It has high fidelity.
- It is a DNA polymerase in retroviruses.
- It uses RNA as a template to make DNA.
- It uses deoxyribonucleotides.
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Author of lecture DNA Polymerase
Kevin Ahern, PhD
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this is amazing thank you , i gained a lot of info about viruses that i have not know before
