Microbiology lab 2: Pure culture Technique

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8 Terms

1
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how do bacteria exist in nature

as mixed population

2
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pure culture

contains single type of organism, used to study morphological and physiological characteristics of bacteria of interest

3
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two methods to obtain pure cultures

pour/spread plate, streak plate

4
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pour/spread plate

pouring from tube or spreading using spreader 

5
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streaking plates

allows us to obtain single colonies

6
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what is a colony

a group of bacterial cells that arose from a single bacterial cell (they’re identical)

7
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streak 

for isolating colonies to study characteristics and obtain pure cultures 

8
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lawn

bacteria are evenly spread over the plate, can be used to study antibacterial agents