Bacteria Single cell organisms

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Bacteria Single cell organisms
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Bacteria Single cell organisms Good Bacteria
fermentation, digestion, beneficial
compounds Bad Bacteria spoilage, pathogens,
toxins
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Gram Stain E. coli gram negative (red) rods
(shape)
Rods
Yeast
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Gram Stain Staph. aureus gram positive
(blue) cocci (shape)
Cocci in clumps
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Listeria
Salmonella
Campylobacter
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Gram Positive Staphylococcus in clumps
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Gram Positive Streptococcus in chains
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Swabs in milk samples
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Working under hood for milk culture
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Streaking after swab
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Culture plate with growth
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Bacteria Cultures in Class
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Bacteria Cultures in Class Moist swab do not
touch the moist end Rub wet end of swab over
desired area to culture Streak plate with swab
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Bacteria Cultures in Class
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Incubate at 100 F for 48 hrs
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Read Plate
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Questions