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arlik [135]
3 years ago
13

A 2ml sample was added to a 18 ml diluent in tube 1 which now has a Concentration of 300ng/ml. A 2ml of the sample was moved eac

h time into 18ml of diluent to complete 3 dilutions from the first tube, what is the dilution, final dilution and the concentration of tubes 1, 2,3 and 4
Medicine
1 answer:
puteri [66]3 years ago
7 0

Answer:

288ng/ml

Explanation:

A serial dilution is any dilution where the concentration decreases by the same quantity in each successive step.  

  • Serial dilutions are multiplicative.

it to 3 rounds of dilutions for the first tube so 3x6=12 so the 300-12=288

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A health care worker is accidentally punctured with a contaminated needle. This type of transmission is known as fomite.

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When an infected person interacts or exchanges bodily fluids with another person, transmission occurs. This can happen before the infected individual even realizes they are sick. STDs (sexually transmitted infections) can be spread this way.

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8 0
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