Leading and Lagging Strand
About the Lecture
The lecture Leading and Lagging Strand by Kevin Ahern, PhD is from the course DNA Replication and Repair.
Included Quiz Questions
Which of the following is true of Okazaki fragments?
- They occur in the lagging strand.
- They refer to the short RNA primers used to start DNA replication.
- They are made 3’ to 5’.
- They are not found in eukaryotic cells.
Which of the following enzymes plays an important role in making the lagging strand a continuous strand?
- DNA ligase
- DNA polymerase III
- Primase
- Helicase
- DNA gyrase
What happens with each cycle of replication in eukaryotic cells?
- The length of chromosomes keeps on reducing.
- The length of chromosomes keeps on increasing.
- The sex chromosomes join at the free ends by covalent bonding.
- The number of chromosomes decreases.
- The length of each gene is reduced to half.
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Author of lecture Leading and Lagging Strand
Kevin Ahern, PhD
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