Supplemental Instruction
Iowa State University
Leader: Lilli Howard
Course: BIOL/GEN 313
Instructor: Dr. Rodermel/Dr. Tuggle
Date: 09/03/14
1.
REVIEW: Draw and name the stages of mitosis.
2.
Replication proceeds _______ to ______.
3.
DNA is replicated by the process of ________________________________ replication. a. Describe in your own words this process. (Use a diagram if it helps) b. Describe the experiment that proved this concept.
4.
In Meselson and Stahl’s experiment, what would the results look like if DNA replication were: a.
Conservative b.
Dispersive
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5.
How many bands of DNA would be expected in Meselson and Stahl’s experiment after two rounds of conservative replication?
6.
Discontinuous replication is a result of which property of DNA?
a.
Complementary bases b.
Charged phosphate group c.
Antiparallel nucleotide strands d.
Five carbon sugar
7.
Which type of replication requires a break in the nucleotide strand to get started?
a.
Theta replication b.
Rolling circle replication c.
Linear eukaryotic replication d.
All of the above
8.
A _____________ is the unit of replication; it is length of DNA from one ___________ to the next .
9.
Draw a molecule of DNA undergoing (a) theta replication (b) rolling-circle replication (c) eukaryotic replication. On your drawing identify: a.
origin of replication b.
polarity c.
leading and lagging strands d.
okazaki fragments e.
location of primers
10.
Fill in the following table.
1060 Hixson-Lied Student Success Center  515-294-6624  sistaff@iastate.edu  http://www.si.iastate.edu