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Cards In This Set
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Gives the count of live and dead cells. used in dairy microbiology
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Total Count
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Gives the number of live cells
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Viable count
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Involves a direct count and Petroff Hausser grids
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Microscopy
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Involves serial dilutions.
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Viable plate count
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Diluted down so we have a countable number between 30 and 300 colony forming units.
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Serial dilution
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Total growth over a surface
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Cunfluent growth
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Method to count organisms that uses spectrophotmeter
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Optical density
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Density is __________ proportionate to transmittance
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Inversely
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A method that looks for coliforms. A statistical method for determining bacterial growth.
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Most probable number.
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A gram negative rod that is nonspore forming that changes lactose into gas and acid.
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Coliform
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Limited amount of nutrients (culture name)
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Batch culture
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A culture where fresh nutrients are added and waste products are removed
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Continous culture
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On a graph, the phase where there is no increase in the number of cells, but a time of intense metabolic activity
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Lag phase
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The most energy in the cell is used for _________
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Protein sythesis
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Also known as the exponential phase, maximum growth and division occurs. Normal cells are found in this phase
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Log phase
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