Study

micro L2

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  • size of bacteria
    average 1 micro meter
  • ... have ability of heat resistance
    endospore
  • AFB is the test for .....disease
    TB
  • parts of flagella
    Filament, hook & basal body
  • Peritrichous
    randomly arrangement of flagella
  • types of B according to cell wall structure
    Gram (+) cell wall , Gram (-) cell wall , Non typical cell wall ,B without cell wall
  • Unique cell wall are made by
    peptidoglycan
  • function of fimbriae
    Adhesion, colonizes and infect host tissue
  • function of flagella
    Locomotion 🡪 find sources of nutrition & penetrate host mucus Chemotaxis : positive & negative
  • Can act as a group
    biofilms
  • ...is found in all spirilla
    flagella
  • Cytoplasmic membrane (CM) is thin, flexible and surrounds....
    cytoplasm
  • Nomenclature designated in relation to
    characteristics, location, or disease it causes & also name of microbiologists
  • Nucleoid/Chromosome are composed of
    DNA
  • Long fibers of proteins that encircle the cell are
    Cytoskeleton
  • B that can cause pneumonia
    Mycoplasma
  • ...control flow of material
    CM
  • any 5 structure of B
    F, P, F, CM, CW,....
  • what is single layer of protein ?
    S layer
  • glycocalyx
    Different thickness, organization, chemical compositionLoose shield (Slime layer)-prevent loss of water and nutrient Denser and thicker shield (capsule) 🡪 prev
  • Long, rigid tubular structure
    pili
  • endospore formation is called
    sporulation
  • ribosome are made .....+.......
    60 % RNA + 40% protein
  • cytoplasm contains....
    70-80% is water, as solvent of cell pool Cell pool includes mixture of sugars, amino acids and salts