Chapter 16 – 21 UNIT 5 Bozeman videos
Video 27 DNA part 1
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Describe the experiment conducted by Griffith. What did they learn?
Describe the experiment done by Avery, McCarty and MacLeod? What did they learn?
Describe the experiment done by Hershey and Chase? What did they learn?
What are Chargoff’s rules for nucleotide paring?
Compare and contrast eukaryotic and prokaryotic genetic material.
Video 27 DNA part 2
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Compare and contrast the structure and composition of DNA and RNA.
What is the function of DNA polymerase?
How and why does replication occur?
Describe what is meant by the “Central Dogma”.
Describe what occurs during transcription (including important enzymes).
Describe what occurs during translation.
What is meant by extended phenotypes? What is an example?
How is DNA related to natural selection?
What are plasmids? Why are plasmids important?
How are plasmids used today?
Video 31 Gene Regulation
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What is a regulatory gene?
What is a regulatory sequence?
How do regulatory genes, sequence, proteins and promoters work together to express a gene?
How does the TATA box assist in gene expression in humans?
Describe how the lac operon works?
What is meant by positive control for the lac operon gene?
Describe how the trp operon works?
What is meant by a negative control for the trp operon?
How are genes regulated in eukaryotes? (use transcription factors, enhancers, RNA polymerase,
and promoters)
Video 32 – Gene transmission and gene expression
1. How does epinephrine release glucose?
2. Review signal transduction pathways
3. How can molecules such as epinephrine be used for gene expression?
Video 35 Viral Replication
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What is the shape and structure of a virus?
How does the lytic cycle work?
What is the result of the lytic cycle?
What are RNA viruses (retroviruses)?
What is the function of reverse transcription?
Why do retroviruses have such high mutation rates?
How do we treat HIV?
Describe the lysogenic cycle?
How are the lysogenic and lytic cycle related?
How is the virulence changed in bacteria?