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43 Cards in this Set

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