MMBIO-221

MMBIO 221 TEST QUESTIONS AND ANSWERS A+ GRADED. Buy Quality Materials! 2 things other than water that cells require to live 1. Something to eat 2. Something to breathe. 2 things that cells require to live in terms of electrons 1. Electron donor 2. Electron acceptor What is an electron donor? Fuel what is an electron accepter? an oxidant What is free energy? energy available to use. In the thermodynamics graph, how do you get the most energy and best oxidant? The points that giv...

MMBIO 221 TEST QUESTIONS AND ANSWERS A+ GRADED. Buy Quality Materials! Listeria Name this organism: Rod - non-spore forming shape, causing listeriosis. Actin Based Motility Staph Aureus Name this organism: Caccus shape, gram positive. Causes food poisoning, toxic hock neisseria ghonorrhea Name this organism: Diplococcus shaped. Causes ghonorrea Bacteroids Name this organism: Gram negative stain, and an opportunistic pathogen Plasmodium Name this organism: causes malaria - repeated ...

MMBIO 221 TEST QUESTIONS AND ANSWERS A+ GRADED. Buy Quality Materials! 6 The difference between ionizing radiation and nonionizing radiation (the shorter the wavelength, the higher the energy) Ionizing: can move/disrupt electrons, destroys all types of bonds (hydrogen...), x rays, gamma rays, sterilize Nonionizing: lower energy, UV light, thymine dimers, cannot move/disrupt electrons 7 For what purposes are Anderson Samplers used? BFE Test = bacterial filtration efficiency test The ...

MMBIO 221 TEST QUESTIONS AND ANSWERS A+ GRADED. Buy Quality Materials! Antimicrobial handwash 4% chlorhexidine semi-critical instrument disinfection peracetic acid or H2O2 based agents countertop 70-80% ethanol antimicrobial in mop water substituted phenols stabilization of plastic gamma radiation Anti- TB (inhibit cell wall synthesis) Isoniazid combined with trimethoprim (inhibit dihydrofolate synthesis) sulfanilamide B lactam w 1,2,3 cephalosporin aminoglycoside (mech. of ...

MMBIO 221 TEST QUESTIONS AND ANSWERS A+ GRADED. Buy Quality Materials! What types of microbes Leeuwenhoek (Father of Microscopy) saw in his microscopes? •Examined “everything” and visualized tiny animals, fungi algae single celled protozoa; “animalcules” What questions drove the Golden Age of Microbiology? •Is spontaneous generation of microbial life possible? Idea Held for 2,000 years Plato Aristotle Alexander the Great •What causes fermentation? •What causes...

MMBIO 221 TEST QUESTIONS AND ANSWERS A+ GRADED. Buy Quality Materials! Disinfection destruction of vegetative pathogens; NONLIVING OBJECTS Antiseptic agent which prevents bact. contamination and growth; LIVING TISSUE Which agent doesn't necessarily work better at higher concentrations? Alcohol (60%) Factors of disinfectant activity Organic material Temp (higher = more effective) Contact time (longer = more effective) What 3 organisms are used in the AOAC Use-Dilution test? -...

MMBIO 221 TEST QUESTIONS AND ANSWERS A+ GRADED. Buy Quality Materials! What do disinfectant and antiseptic have in common? both destroy vegetative pathogens aka those that are fully active Disinfectant Used on inanimate/ nonliving objects Antiseptics Used on living tissue Factors that affect disinfectant activity Contact Time: Longer, the more effective Temperature: Higher, the more effective pH: depends on chemical; some synergy Concentration: Higher = better, exception with the ...

MMBIO 221 TEST QUESTIONS AND ANSWERS A+ GRADED. Buy Quality Materials! Edward Jenner Smallpox Paul Ehrlich Looked for a "magic bullet" to kill pathogens Alexander Fleming penicillin Joseph Lister Aseptic Surgery John Snow Father of Epidemiology Ignaz Semmelweis hand washing prevent infections Robert Koch cultivation of bacteria on solid media Louis Pasteur swan-necked flasks Antoni van Leeuwenhoek primitive microscope Francesco Redo disproved spontaneous generatio...

MMBIO 221 TEST QUESTIONS AND ANSWERS A+ GRADED. Buy Quality Materials! •What Is a Microbe? •Describe how we define a microbe, and explain why the definition is a challenge. Microbes are small, ancient, many, and are both good and bad. This definition is a challenge because not all microbes are small . E. coli is less then a micrometer thick, half the biomass on earth is microbial, this is also why they are ancient they have had time to become so diverse and evidence shows that eukary...

MMBIO 221 TEST QUESTIONS AND ANSWERS A+ GRADED. Buy Quality Materials! Staphylococcus aureus disease: 1. boils 2. endocarditis 3. food poisoning 4. impetigo 5. MRSA toxic hock syndrome gram: positive Streptococcus pyogenes (group A strep) disease: 1. acute glomerulonephritis 2. erysipelas necrotizing fasciitis 3. Impetigo 4. rheumatic fever 5. Scarlet Fever 6. Strep throat toxic shock gram: coccus, chains group: gram positive streptococcus pneumoniae disease: 1. Mening...