Lab Quiz 2 Flashcards
component of resolution determinant in microscope
wavelength of light
three forms of colonies on agar plates
circular, irregular, rhizoid
three margins on colonies on agar plates
entire, lobate, undulate
four elevations of colonies on agar plates
flat, raised, convex, umbonate
two types of growth on agar slants
filiform, beaded
positive gelatin melting means it contains the enzyme
gelitinase
four types of agar plates
selective, differential, both, enriched
agar plate that only allows growth of one microbe
selective
agar plate that allows growth of both microbes but in different fashions
differential
agar plate that is both selective and differential
both
agar plate that has extra nutrients
enriched
mannitol salt agar are these types of agar
both, selective, differential
selective part of mannitol
salt
differential part of mannitol
mannitol and phenol red
blood agar are these types of agar
differential, enriched
differential part of blood agar
hemolysis of blood
enriched part of blood agar
blood
phenyl ethyl alcohol is this kind of agar
selective
selective part of PEA
gram positive
MacConkey agar are these types of agar
both, selective, differential
differential part of MacConkey
lactose, neutral red
eosin methylene blue are these types of agar
both, selective, differential
selective part of EMB
methylene blue, inhibits gram positive
differential part of EMB
eosin, lactose
look over page 27 before practical
okay
only true negative gelatin liquefaction culture
E. coli
acid fast stain is decolorized by blank
acid alcohol
cold loving bacteria
psychrophiles
psychrophiles grow ideally at this temp and between these temps
4, -5 - 20
mesophiles grow between these temps
20 - 45
thermophiles grow over this temp
35
obligate thermophiles grow over this temp
50
PEA agar growth means that the bacteria is blank
gram positive
example of growing organism in PEA
S. aureus
example of non growing organism in PEA
E. coli
Mannitol salt agar growth means that the bacteria is blank
salt tolerant
Mannitol salt agar that is yellow medium means that the bacteria blank
ferments mannitol
pH indicator of mannitol salt agar
phenol red
example of growing organism that ferments mannitol in mannitol salt agar
S. aureus
example of non growing organism in mannitol
E.coli
example of growing organism in mannitol that does not ferment mannitol
S. epidermidis
growth in MacConkey means blank
gram negative