What is the concentration of bleach that is used to disinfect
your work area? Why is...
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Biology
What is the concentration of bleach that is used to disinfectyour work area? Why is it     used todisinfect rather than to sterilize? When do you disinfect your workarea? (3           points)
Can a pure culture be prepared directly from a mixed-broth or amixed-slant culture?           Explain. (3 points)
As demonstrated in the video, why do you pass the mouth of thetube through the flame? What is the correct angle? (3 points)
How do you know that you have used aseptic technique correctlyand have achieved a pure culture? (3 points)
What are some advantages and disadvantages of the serialdilution agar plate       technique?(3 points)
Describe the different cultural characteristics identified whenyou use agar plates, Â Â Â Â Â Â Â agar slants, and nutrient broth. (3 points)
Distinguish between the following: (2 points)
Disinfectant (1 point)
Antiseptic (1 point)
What are some advantages of an agar plate over a slant tube? (3points)
Describe how discrete colonies can appear from a mixed cultureusing thestreak-Â Â Â Â Â Â Â Â Â Â plate subculture process. (4 points)
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Ans 1 The active form of the beach is used in a concentration of around 5 to 8 which helps in cleaning and disinfecting the work area This bleach is further diluted in a ratio of 110 and hence can be used for cleaning and disinfecting the work area However the rate of dilution depends on what needs to be
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