a. Let’s say for example that a milk sample has 10,000 bacteria per milliliters. If 1 mL of this sample were plated out, these would theoretically be 10,000 colonies in the Petri plate. Discuss and explain the serial dilutions of this example. b.  The disk diffusion method was used to evaluate 3 disinfectants. The results were as follows: Solution Zone of inhibition X 0 mm Y 5 mm Z 10 mm How would you interpret? Provide inference.

Biochemistry
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Chapter1: Biochemistry: An Evolving Science
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a. Let’s say for example that a milk sample has 10,000 bacteria per milliliters. If 1 mL of this sample were plated out, these would theoretically be 10,000 colonies in the Petri plate. Discuss and explain the serial dilutions of this example.

b. 

  1. The disk diffusion method was used to evaluate 3 disinfectants. The results were as follows:

Solution

Zone of inhibition

X

0 mm

Y

5 mm

Z

10 mm

How would you interpret? Provide inference.

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