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43 Cards in this Set
- Front
- Back
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Bacteria are classified in which kingdom?
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Monera
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Protozoa are…
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Unicellular, eukaryotic
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Mastigophores are protozoa that use…
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Flagella
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Ciliophores are protozoa that use…
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Cilia
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Nematode aka
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Round worm
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Cestode aka
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Tape worm
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Symbiosis
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Close association of two dissimilar environments
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Commensalism
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Symbiosis when one organism gains and the other in unharmed
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Mutualism
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Symbiosis when both organisms gain from the association
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Parasitism
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One organism adversely affects the other
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Pathogenicity
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Ability of a pathogen to produce disease
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Virulence
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Degree of pathogenicity
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Eosiniphils and neutrophils are
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Phagocytic granulocytes
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Agglutinins are antibodies that…
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React with particulate antigen to cause agglutination
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Precipitins are antibodies that…
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React with soluble antigen to form a solid precipitate
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Lysoaymes…
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Destroy the mucopeptide layer of bacterial cell wall
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Sterilization is…
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Elimination of all pathogens and spores…nothing is living
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Disinfection is…
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Removal of harmful organisms…some are left living
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Autoclaving involves…
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High temp. and high pressure – 121oC for 15 min
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Iodine is a halogen that can…
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Combine irreversibly with proteins as an oxidant
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Lag phase of growth
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Cells are metabolically active and grow in size
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Log phase of growth
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Cells divide to increase number of cells
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Angular blepharoconjunctivitis is often caused by
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Moraxella sp.
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Causative agent of syphilis…
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Treponema pallidum – not highly contagious
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Primary syphilis
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Chancre sore at the site of entry
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Secondary syphilis
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Skin rash, hepatitis, conjunctivitis, fever, sore throat, iritis
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Tertiary syphilis
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Neurological or cardiovascular in nature
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Leprosy involves
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A loss in sensitivity in an area of skin
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Mycobacteria are
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Acid fast bacilli
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Mycoplasma bacteria are
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The smallest bacteria capable of reproduction
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Mycoplasma bacteria are
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Penicillin resistant b/c they can’t produce peptidoglycan
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Herpes viruses are
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Double stranded DNA
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HIV aka HTLV-III is a
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Single stranded RNA retrovirus
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T helper cells (CD4) secrete
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IL-2 which activates cytotoxic T cells (CD8)
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Nucleolus is the site of
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Ribosomal assembly
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RER is the site of
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Protein synthesis
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SER is the site of
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Lipid synthesis
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Microtubules are composed of
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Tubulin
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Microtubules provide a
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Supportive framework and a guide for organelle movement
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Microfilaments are made of
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Actin
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Microfilaments interact with
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Myosin
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