quiz 3 - Quiz 3 1. Which of the following lactose analogs...

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Quiz 3 1. Which of the following lactose analogs can be used as a substrate? (you may need to consult your lab manual as well as your notes) a. IPTG b. XG c. ONPG d. a and b e. b and c 2. Which of the following compounds can induce the lac operon? a. glucose b. lactose c. IPTG d. XG e. b and c f. b and d 3. The substrate binds to _________ and the inducer binds to ____________. a. beta-galactosidase, beta-galactosidase b. beta-galactosidase, lac repressor c. lac repressor, beta-galactosidase d. beta galactosidase, RNA polymerase 4. When glucose is absent from the media a. cAMP is low b. CAP binds cAMP and binds to its DNA binding sites c. cAMP is high d. CAP binds cAMP and no longer binds DNA e. b and c f. c and d 5. Autoregulation refers to a. allosteric regulation of transcription factors (repressors and activators) b. translational inhibition by RNA secondary structures c. when a protein regulates its own synthesis d. when an operon is automatically regulated. 6. Attenuation
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quiz 3 - Quiz 3 1. Which of the following lactose analogs...

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