DNA Replication Web Activity
Name:
Biology
Date:
Period:
Use the following website to help you answer the questions
http://www.wiley.com/college/pratt/0471393878/instructor/animations/dna_replication/index.html.
1. Watch each section/animation and answer the review questions after each step.
2. With the help of a diagram, explain what is meant by “semi-conservative” replication.
3. What is a replication fork?
4. What does antiparallel mean?
5. Describe the role the following molecules play in DNA replication:
a) DNA polymerase:
b) RNA primer:
c) Okazaki fragments:
d) DNA ligase:
e) Helicase:
6. How are the leading and lagging strands different?
7. Explain how the leading and lagging strands of DNA are replicated. Why are each replicated in a different
manner?