Your grow our microorganisms without oxygen, which ones will not grow? (Microbe Minute) • A. Pectobacterium carotovorum and Haemophilus influenzae • B. Agrobacterium tumefaciens and Pectobacterium carotovorum • C. Haemophilus influenzae O D. Agrobacterium tumefaciens and Francisella tularensis • E. Francisella tularensis and Shigella flexneri

8. In the MRSA case study, after antibiotic treatment, bacterial colonies that survive were the ones that were able to metabolize citrate. True or False.

2. A pharmacologist discovers a new fungal metabolite with unusual antimicrobial properties. It naturally concentrates in the endosomes, lysosomes, and phagolysosomes of cells and directly kills microorganisms (eg, Mycobacterium tuberculosis) that are normally resistant to degradation in the phagolysosomes. It has the undesirable effect of raising the pH within phagolysosomes. Which of the following processes will be primarily affected? A) Class I MHC molecule peptide loading o B) Class II MHC molecule peptide loading C) B-Microglobulin surface expression D) Peptide binding to TCRaß E) Peptide binding to TCRYS

Which of the following is not an acid fast bacterium:  A. Mycobacterium tuberculosis  B. Salmonella enterica C. Mycobacterium leprae   D. Nocardia asteroides