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2 cards from this section. Quick, good the night before a test.
What is an operon?
Think about related genes working together.
Name two levels of gene regulation in eukaryotes.
One affects initial RNA production and the other affects RNA after production.
What is the function of a repressor in gene regulation?
Think about the role of repressors in controlling gene expression.
True or False: The trp operon is an example of positive regulation.
Consider the feedback mechanisms.
Design an experiment to test the effect of a new sugar on the expression of the lac operon in E. coli. What controls would you include?
Think about contrasting known operon behaviors.
Evaluate the consequences of a mutation in the lac operon that disables the operator's ability to bind the repressor. What would happen to the expression of the lac operon?
Consider what happens when the repressor system is compromised.
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