In the lab you devise a machine which is able to constantly replenish nutrients, remove waste p… Show more In the lab you devise a machine which is able to constantly replenish nutrients, remove waste products, and provide plenty of space to a bacterial culture. When introducing bacteria into this scenario, which of the phases shown in Figure 1 would NOT occur? A C A and C D C and D Which of the following methods to control microbial growth damages the DNA? Irradiation Autoclaving Halogens Dry heat Filtration Which of the following best describes the mode of action of Rifampin against Mycobacterium tuberculosis infection? A inhibits cell wall synthesis B. inhibits RNA synthesis C. inhibits protein synthesis D. All of the above Which of the following best describes the mode of action of the antibiotic Sulfa drugs? increases folic acid synthesis prevents PABA conversion to folic acid inhibits cell wall synthesis inhibits nucleic acid synthesis You accidentally cut your finger chopping veggies. You clean the cut and apply Neosporin and a bandage. You notice the Neosporin container lists bacitracin and polymyxin B as ingredients. Since you did so well in your microbiology class, you know that all of the following are true except… Bacitracin inhibits cell wall synthesis and works best against Gram positive species Polymyxin B injures the cell membrane and works best against Gram negative species These antibiotics can cause kidney damage if take orally All of the above are true • Show less