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MCB 2010 EXAM 3
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- NUR 240 EXAM 2 Practice Questions.
Exam of 15 pages for the course NUR 240 EXAM 2 Practice Questions. at NUR 240 EXAM 2 Practice Questions. (MCB 2010 EXAM 3)
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MCB 2010 EXAM 32 basic body shapes of fungi - ANS-molds and yeasts
3 domains of life on Earth: - ANS-Archaea, Bacteria, Eukarya
3 main methods of prokaryote reproduction - ANS-binary fission, snapping, budding
3 mechanisms of entry - ANS-direct penetration, membrane fusion, endocytosis
3 subgroups of alveolates - ANS-Ciliates, apicomplexans,dinoflagellates.
5 stages of lytic replication - ANS-Attachment, entry, synthesis, assembly, release
6 phases of viral replication - ANS-attachment, entry, uncoating, genome integration
and/or replication, assembly, release
Actinomycetes - ANS-Gram positive that form branching filaments resembling fungi,
Genera include actinomyces, nocardia, streptomyces.
adhesion - ANS-process by which microorganisms attach themselves to cells
Alphaproteobacteria - ANS-Gram negative, nitrogen fixers, grow in roots of plants.
Alveolates - ANS-Membrane bound cavities called alveoli, unknown purpose.
amensalism - ANS-hurts the microbe but does not benefit the host
Amoebozoa - ANS-Class of protozoa with lobe shaped pseudopods and no shells.
Diseases: Naegleria (eye and brain pathogen)
Acanthamoeba (skin, eye and brain pathogen)
Entamoeba (intestinal)
Animal virus - ANS-Glycoprotein spikes that mediate attachment of virus.
Antiphagocytic chemicals - ANS-Chemicals that prevent fusion of lysosome and
phagocytic vesicles (think listeria and mycobacteria), leukocidins directly destroy
phagocytic white blood cells.
, Antiphagocytic factors - ANS-Factors tha tprevent phagocytosis by the hosts phagocytic
cells, allow the pathogens to remain in a host for longer time.
Apicomplexa Genus - ANS-Plasmodium
Apicomplexans (alveolate) - ANS-chemoheterotroph, pathogens to animals, complex
organelles allow them to penetrates host cells.
Disease: Toxoplasmosis, plasmodium, cryptosporidium
Arachnids - ANS-8 legs, ticks and mites
Arthropod vectors - ANS-animals that carry pathogens
Ascaris - ANS-"BIG INSIDE JAR"
Giant roundworm
Ascomycota - ANS-Ascomycetes from ascospores in sacs called ascu, reproduce by
conidiospores, most fungi spoils food. Penicillin and saccharomyces.
Ascomycota Genus - ANS-Peziza, aspergillus, pénicillium, saccaromyces
Aspergillus (Sexual) - ANS-Conidia
Bacillus - ANS-Common in soil, form endospores
bacillus - ANS-rod shaped bacteria
Bacillus anthracis - ANS-causes anthrax
Bacillus cereus - ANS-causes food poisoning
Bacillus thuringiensis - ANS-Used by farmers as insecticide
Bacteria capusle - ANS-capsule made of chemicals not recognized as foreign, slippery
and difficult for phagocytes to engulf, mycobacteria infamous for having this type of
capsule.
Basidiomycota - ANS-Mushrooms and other fruiting bodies of basidiomycetes called
basisdocarps.
Function: hallucinogens, provide nutrients to soil, some cause crop damage
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