Micro lab 4
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What is the difference between a pure culture and a mixed culture?
Pure culture - contains only 1 type of microorganism
mixed culture - culture containing multiple microorganisms
Define selective medium
A medium that contains one or more chemicals that interferes with the growth of specific bacteria
Define differential medium
A medium that contains a chemical that will make a particular colony of bacteria have a different appearance from the other colony's of bacteria
DescribeDescribe the goal of streaking an agar plate for isolation
To separate bacteria from one another for the purpose of identification
Describe the procedure for streaking for isolation
Remove inoculum from tube and streak zone 1 (top1/3rd of plate) then flame loop and cool it before streaking zone 2 at a 45 deg angle clockwise to zone 1 repeat for zone 3 and 4
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