Duke PA micro
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What type of cell walls do mycobacteria have? | waxy cell walls
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| What type of cell walls do mycoplasma have? | no cell walls
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| beta lactams | group of antibiotics that are directed toward gram positive bacteria
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| How do beta lactams work? | inhibit cross-linking of peptidoglycan
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| What are the most common cell wall inhibitors? | beta-lactams
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| What are examples of beta lactams? | penicillins, cephalosporins, carbapenems, monobactams
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| Where do beta lactams get their name? | they share a common beta lactam ring as their basic structural unit
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| What are other cell wall inhibitors? | vancomycin, bacitracin, many of the anti-tuberculosis agents
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| How do cell membrane agents work? | disrupt either cytoplasmic membrane of Gram - outer membrane
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| How do ribosome agents work? | disrupts protein synthesis at both 30S and 50S ribosomes
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| What are the two remaining antibacterial "targets" of action? | antimetabolism and inhibition of DNA or RNA synthesis
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| How do antimetabolism agents work? | mimic the structure of a required metabolite
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| What is an example of an antimetabolism agent? | Septra
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| What is an example of a DNA or RNA synthesis agent? | Cipro
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| What are the two ways antibiotics affect bacteria? | bactericidal or bacteriostatic
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| Bactericidal | killing
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| bacteriostatic | inhibiting growth
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| Inhibit cell wall synthesis, nucleic acid synthesis and alter cell membrane permeability | bactericidal
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| inhibit protein synthesis are usually… | bactericidal
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| folic acid inhibitors | bactericidal
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Created by:
ges13
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