DNA Polymerase
Über den Vortrag
Der Vortrag „DNA Polymerase“ von Kevin Ahern, PhD ist Bestandteil des Kurses „DNA Replication and Repair“.
Quiz zum Vortrag
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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Dozent des Vortrages DNA Polymerase
Kevin Ahern, PhD
Dr. Kevin Ahern is a Professor in the Department of Biochemistry and Biophysics at Oregon State University (OSU), USA.
He obtained his PhD in Biochemistry from Oregon State University. Currently, he teaches courses for health sciences students at OSU.
He is co-author of three Open Educational electronic textbooks on Biochemistry and a Guide to Getting Into Medical School.
Due to his achievements, he earned OSU’s highest teaching recognition, the Elizabeth P. Ritchie Distinguished Professor Award in 2017.
Within Lecturio, Dr. Ahern teaches courses on Biochemistry and on "How to Get into Medical School”.
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