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Dahasolnce [82]
3 years ago
12

What are the ranges of colonies counts that are acceptable on a plate for a spread plate and pour plate? Why are they different?

for a​
Biology
1 answer:
enot [183]3 years ago
5 0

Each (both large and small) colony is carefully counted (using magnifying colony counter if needed). Each colony represents a “colony-forming unit” (CFU). For accurate counts, the optimum count should be within the range of 30-300 colonies/plate. To insure a countable plate a series of dilutions should be plated.

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2 years ago
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A commensal bacterium Group of answer choices does not receive any benefit from its host. is beneficial to its host. may also be
erastova [34]

A commensal bacterium does not infect its host, which is option D. Details about commensalism can be found below.

<h3>What is commensalism?</h3>

Commensalism is a kind of relationship that involves the sharing of the same environment by two organisms where one species benefits and the other is unaffected.

For example, barnacles on whales is a commensalistic relationship.

According to this question, a commensal bacterium will not affect or harm it's host by infect it neither will it benefit its host.

Learn more about commensalism at: brainly.com/question/14224704

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4 0
1 year ago
Help me!!! Please!!!!!<br><br>7th grade science
fenix001 [56]

Answer:

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Have a nucleus.

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Explanation:

4 0
2 years ago
What is the contribution of biologist on the discovery of cell?​
Lena [83]

Explanation:

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5 0
3 years ago
How are mammalian sperm cells produced and incubated at a lower temperature than boday temperature ?
Morgarella [4.7K]

Answer:by being produced in the testes outside the body

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4 0
2 years ago
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