Question 1
Some bacteria are resistant to erythromycin as a result of mutation of their ribosomal RNA. What type of resistance does this represent?
◦ removal of the drug via a pump
◦ inactivation of the drug
◦ alteration of the target of the drug
◦ change in the permeability of the drug
◦ overproduction of an enzyme in a key metabolic pathway
Question 2
Bacillus licheniformis secretes a compound that inhibits the growth of other Gram-positive bacteria. This is an example of a(n)
◦ chemotherapeutic.
◦ antibiotic.
◦ porin.
◦ analog.
◦ toxin.