final – Microbiology Flashcards with Answers
158 test answers
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bacterial photosynthesis does not produce |
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oxygen |
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an M-RNA that codes for a particular protein will have |
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3 nucleotides for each amino acid in the protein |
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the production of RNA from DNA as a template is known as? |
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transcription |
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T OR F: glucose is an antigen |
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FALSE |
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T OR F a regulatory gne is not a part of the operon. |
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TRUE |
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competance is..? |
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the ability of cells to take up DNA fragments |
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an HFR cell has... |
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an integrated F factor |
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what does ligase do? |
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it seals the sticky ends of DNA |
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Plasmids are? |
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closed loops of DNA,accesory genetic info, used for genetic engineering, and are restriction endonucleases |
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Exotoxins are NOT...? |
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a part of the cell wall |
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Endotoxins are made of? |
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lipids and polysaccharides and are a part of the cell wall |
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a newborn baby |
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is colonized with common microbiota within a few days of birth |
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T OR F, staphylococci can form a bot clot via coagulase |
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TRUE |
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T OR F, antibodies are NOT inate |
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TRUE |
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what does complement not do? |
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it does not stimulate the antibody formation |
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what antibody crosses the placenta? |
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IGG |
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T OR F: cell mediated immunity involves T cell activity |
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TRUE |
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what idoes not make a vaccine? |
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antibodies |
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an example of a conjugated vaccine is...? |
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HIB-D |
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in type 1 hypersensitivity, what is happening? |
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IGE antibodies bind to mast cells |
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an induration is |
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typical of a tuberculin test and it thickening and drying of the skin |
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what does not cause contact dermatitis? |
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food |
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rheumatic fever is a...? |
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complication of streptococcal pharyngitis |
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a paroxism is...? |
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a rapid fire cough, found in pertussis |
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the manoux test identifies? |
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TB exposure |
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Salpingitis is associated with |
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gonorrhea and sterility |
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endoginous actinomycete causes diseases and conditions such as |
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lumpy jaw |
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in order to map the e oli chromosome we must interupt |
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conjugation |
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what antibody is first on the scene? |
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igM |
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type 1 hypersensitivity has ? |
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IgM |
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basophils are not involved with |
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type IV hypersensitivity |
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diptheria does not have |
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tubercles |
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the release of a genome is via |
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uncoating |
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HIV is |
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integrated into the host and converts RNA to DNA |
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cholera requires |
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a LARGE inoculum |
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tetanus is not associated with? |
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DPT |
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letospirosis is not transmited via |
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a tick |
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gonorrhea does not have a? |
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cancre |
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sterilized filtration may still have? |
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bacterial toxins |
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formations of arthrospores is due to? |
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coccidiodomycosis |
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x rays and y rays make? |
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organoperoxides |
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ultrasonifications kills microorganisms via? |
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cavitation |
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what is a dry sterilizer? |
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ethylene oxide |
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how does sulfanilamide inhibite bacteria? |
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it synthesizes folic acid |
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what does clindamycin treat? |
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anaerobic infections |
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cephalosporins |
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inhibite cell wall production |
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tetracyclines cause? |
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gray syndrome |
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aflatoxin is produced by ? |
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aspergillus flavus and is carcinogenic |
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what do aldehydes do? |
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they inactivate proteins and nucleic acids |
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trimethoprim and sulfamethoxaxole are examples of? |
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sulfanamides and folic acid |
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what blocks cell wall synthesis? |
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tetracyclines |
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what bloks protein synthesis? |
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rifampin |
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coxiella burnetti does NOT...? |
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cause a skin reaction |
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ricketsia does not require? |
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glucose |
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trachoma is nto treated with? |
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pennicilin |
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epidemics of influenza are due to? |
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a drift of H and N antigen spikes |
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chlamydia does not have? |
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infectious reticulate bodies |
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viral envelopes are aquired via? |
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going through the envelope |
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amphotericin does not treat? |
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ergotism |
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crytomegalo virus's cross? |
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the placenta |
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omain archea does not have; |
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archeal |
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hepatitis does not have |
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an incubation |
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when you have rabies you don't have a problem...? |
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swallowing |
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smut is found with |
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crops |
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aspergillus is not associated with? |
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arthospores |
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histoplasmosis is not associated with? |
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vaginitus |
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rhizobium is a genus that carries out nitrogen fixiation and....? |
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converts nitrogen gas to ammonia |
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a conjugated vaccine is... |
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HIB |
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acid fast bacterium that is tuberculoid is...? |
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leprosy |
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e coli and gram negative enteric rods cause? |
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UTI's |
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ultraviolet rays decontaminate? |
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benches |
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silver nitrate is used on? |
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babies eyes |
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plasmids...? |
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replicate with chromosome and contain antibiotic resistance |
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generation time is during...? |
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log time |
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ATP synthesis is not during...? |
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kreb cycle |
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ATP molecules don't have a |
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cofactor |
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transcription is... |
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RNA synthesis |
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competance is... |
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the ability of the recipiant cell to take up DNA |
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streptomyces prduces |
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well known antibiotics |
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chlamidia and ricketsia are...? |
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obligate intracellular parasites |
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rock mountain fever does not have...? |
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elementary bodies |
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you cannot cultivate virus's on a; |
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blood agar plate |
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influenza undergoes..? |
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antigenic |
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cyrptomegalo virus does not cause; |
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yellow fever |
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ABC virus does nto cause...? |
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hepatitis |
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rabies does not have an..? |
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incubation period twice |
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muchrooms are? |
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basidiomycetes |
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micronazole is...? |
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not an antifungal drug |
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babesiosis does not cause? |
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diarrhea |
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you can get toxoplasmosis via...? |
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contact with a cat |
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T OR F: contaminated water is more dangerous than polluted water |
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true |
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bacteria are invovled with? |
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carbon cycle, nitrogen cycle, and sulfur cycle |
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fimbae and pilli and made from? |
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proteins |
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oxidative phospuralization does not include? |
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pyruvic acid |
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eukaryotes have... |
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80 ribosomes |
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T OR F: all stephococcus aureus are pathogenic |
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TRUE |
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t cells synthesize |
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antibodies |
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botulism causes? |
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food poisoning |
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cholera has? |
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cramps and diahrea |
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anaphalaxis would not occur without... |
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release from mast cells |
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bacteriophages have been found in lysogenic relationships with; |
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diptheria and scarlet fever |
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typhid fever is not found in? |
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barnyard animals |
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leptospirosis is found in |
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barnyard animals |
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a spirochette is |
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leptospirosis |
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leprosy belongs to the same genus as the; |
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tubercle |
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trachoma is; |
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;a chlamydial disease of the eye |
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plasmids are NOT |
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essential to the growth of the cell |
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e coli has |
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4000 genes |
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the development of lysogeny depends on |
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a temperate phage |
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T OR F: conjugations are more common than transformations |
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true |
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the rolling circle of DNA takes place during |
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bacterial conjugation |
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a parasite pruducing...? |
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steptokinase would enhance the spreading of that parasite |
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antibody immunity takes place in the ? |
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blood |
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the cell surface of a b lymphocyte is; |
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an antibody molecule |
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IGA is found ind? |
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tears and the mucus |
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monoclonal cells are |
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hybridomal cells |
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during sensitizing... |
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IgE molecules attach to basophils and mast cells |
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mycobacterium is...? |
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acid fast |
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botulism prevents the release of? |
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ach |
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clostridium perfringins has |
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gas in the muscle tissue |
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ECM is found with; |
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lyme disease |
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when f- mates with f+ is converted to? |
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f- |
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adhesins are found on? |
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flagella, pilli, and capsules |
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endotoxins do nto produce good? |
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toxoids |
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UV light causes dimers between |
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thymine |
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type III hypersensitivity is associated with? |
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acute glomerularnephritis |
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a complication of streptococcus pharyngitis is; |
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rheumatic fever |
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tubuculosis does not have; |
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toxoids |
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what causes food poisoning? |
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staphylococcal toxins |
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cereus |
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;;pore forming motile rod |
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tularemia does not have...? |
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spirochettes |
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okakazi gragments form during? |
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the replication fo the bacterial chromosome |
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genes existing on plasmids may be included for ? |
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ntibiotic resistance and toxin production |
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what is not needed for genetic engineering? |
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mitochondria |
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normal flora are not found? |
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in the stomach and blood |
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the movement of genetic segments is thought to increase the? |
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variety of b lymphocytes |
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the phagocytic part of the antibody is? |
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the FC fragment |
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what are phagocytes? |
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polymorphonuclear, monocytes, and RES cells |
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c3 is the most abundant; |
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serum complement |
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diptheria interupts; |
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protein sysnthesis |
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legionares is found in |
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standing water |
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botulism does not have? |
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muscle spasms |
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staphococcal enterotoxins are the most? |
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heat resistant |
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archea live? |
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under extreme enviornments |
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gram staining? |
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lets you identify different types of bacteria |
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yeast are not; |
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a bacteria |
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commerical foos are sterilized via? |
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gamma rays |
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metchnikof did? |
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phgocytosis |
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snow did? |
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contaminated water supplies |
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ivanowsky helped identify? |
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viruses |
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autotrophic bacteria are found in? |
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unpolluted water |
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LPS has? |
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a gram negative membrane |
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bacteria reproduce via? |
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binary fission |
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archeal cells have a ? |
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mono layer |
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