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What if your CFU count of 38 from above was from the 10 -2dilution instead? Would you still consider the results to be relatively similar? Explain your answer

Question

What if your CFU count of 38 from above was from the 10 -2 dilution instead? Would you still consider the results to be relatively similar? Explain your answer

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Solution

If the CFU (Colony Forming Units) count of 38 was from the 10^-2 dilution, it would mean that the original sample had a higher concentration of bacteria.

To calculate the original concentration, you would multiply the CFU count by the dilution factor. In this case, 38 CFU * 10^2 = 3800 CFU.

If the original CFU count was significantly lower than 3800, then the results would not be considered relatively similar because the difference in bacterial concentration is quite large.

However, if the original CFU count was close to 3800, then the results could be considered relatively similar.

It's important to note that in microbiology, a small difference in CFU counts can mean a significant difference in the actual bacterial concentration. Therefore, even a small difference in CFU counts can lead to different interpretations.

In conclusion, whether the results are considered relatively similar or not depends on the original CFU count.

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