lights specimen with dark background, good for unstained LIVING, organisms in liquid. Allows you to see size, shape and motility. pale objects, scatters blight rays by specimen and increases contast
used to view livging organisms, or spec that would be damaged, also creates a brighter image,.
temperature for incubating
35-37 degrees celcius-
movement by a cell or organism in reaction to a chemical stimulus
the chaotic movement of colloidal particles, caused by collision with particles of the solvent in which they are dispersed
movement toward a chemical stimulus
away from chemical stimulis
(biology) the appearance of two or more distinctly different forms in the life cycle of some organisms
One flagella at one end of a bacterium
Flagella that cover the surface of the cell
thick waxy membrane, gram stain is not able to cut through
acid fast example
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