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boyakko [2]
3 years ago
9

25 POINTS!! (See attachment below)

Biology
1 answer:
Irina18 [472]3 years ago
7 0
Your answer would be the second one B
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Give three reasons why you might have a situation in which bacterial colonies were found on the first section of a streak plate,
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Hi. You have not shown the sections this question refers to, nor have you provided more information about those sections. This makes it difficult for your question to be answered. However, I will try to help you as best I can.

Generally speaking, we can consider that there was no growth of bacterial colonies in sections 2 and 3, because, for some reason, the bacteria was not inoculated in sections 2 and 3. What could also have happened, is that the bacteria in the sections 2 and 3 were eliminated, but the bacteria from section 1 managed to survive and form colonies.

Another possibility is that after inoculating the bacteria in section 1, you didn't handle the bacteria correctly in the other sections, leaving that bacteria to dry out and die.

Finally, the culture media in sections 2 and 3 could be inappropriate for bacteria to develop and form colonies.

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2 years ago
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Explanation:

although independent variables can stand alone dependent variables rely on the independent variables therefore when you change the independent variables the dependent variables can no longer depend on the independent variables.

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1. What is the role of a receptor in helping an
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b

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Some complex multicellular organisms are organized at four levels to increase efficiency. Which list names the correct order of
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Chloroplasts

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Chloroplasts are the food producers of the cell. The organelles are only found in plant cells and some protists such as algae. Animal cells do not have chloroplasts. Chloroplasts work to convert light energy of the Sun into sugars that can be used by cells.

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