Standard Plate Count Of Soil Bacteria- Lab 43 Flashcards Preview

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Flashcards in Standard Plate Count Of Soil Bacteria- Lab 43 Deck (3)
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1

How is serial dilution used to estimate the number of bacteria in a gram of soil

It progressively dilutes the solution to a countable range

2

Which plates do you select to count colonies?

The ones with 30-300 colonies

3

Why are standard plate counts always low?

Bacteria doesn't grow on the plate all the way in the lab