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Magazine Problem 2
Name six different levels at which gene expression might be controlled.
Problem 6
What is catabolite repression? How does it allow a bacterial cell to use glucose in preference to other sugars?
Problem 12
A mutation at the operator prevents the regulator protein from binding. What effect will this mutation have in the following types of operons? a. Regulator protein is a repressor of a repressible operon. b. Regulator protein is a repressor of an inducible operon.
Problem 30
Several examples of antisense RNA regulating translation in bacterial cells have been discovered. Molecular geneticists have also used antisense RNA to artificially control transcription in both bacterial and eukaryotic genes. If you wanted to inhibit the transcription of a bacterial gene with antisense RNA, what sequences might the antisense RNA contain?
