In the presence of glucose, where is the lac repressor bound?
A) lacZ
B) lacO
C) lacP
D) lacI
E) The lac repressor is not bound to the operon.
B
Biology & Microbiology
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Which of the following produces pili that are subject to both phase and antigenic variation?
A. Chlamydia trachomatis B. Neisseria gonorrhoeae C. Escherichia coli D. Candida albicans
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Which of the following is required for transposition?
A) F+ plasmid B) bacteriophage C) insertion sequence D) donor cell E) competence
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Which of the following is the most appropriate pairing of microbe and biosafety level?
A) E. coli, BSL-3 B) anthrax, BSL-1 C) Ebola, BSL-2 D) methicillin-resistant Staphylococcus aureus (MRSA), BSL-2 E) tuberculosis, BSL-1
Biology & Microbiology