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sergey [27]
3 years ago
6

Question 1

Biology
1 answer:
stich3 [128]3 years ago
3 0

Answer:

B)

The exterior of the cell has a net positive charge and the interior has a net negative charge.

Explanation:

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There are so many microbes in a single mL of culture, it is very difficult to perform one dilution to produce countable cells. M
Feliz [49]

Answer:

cumulative dilution = 0.000001

Explanation:

A serial dilution is a stepwise kind of dilution repeated a certain number of times, in which the concentration reduces exponentially each time.

The cumulative dilution is the final dilution gotten depending on the number of times dilution has been done and the dilution factor. The formula is given as:

Cumulative dilution = (F)ⁿ

where:

F = dilution factor = 0.1

n = number of serial dilutions = 6

∴ cumulative dilution = (0.1)⁶ = 0.000001

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I would appreciate the help cuz i don't know​
spin [16.1K]

Answer:

The answer is:

D. The population must be very large.

Hope that helps :)

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