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tia_tia [17]
2 years ago
14

Which of the following observations would support the claim that a particular mutation is neutral?

Biology
2 answers:
inna [77]2 years ago
4 0

Answer:

c

Explanation:

keep up the good work

Vesnalui [34]2 years ago
3 0

Answer:

c

Explanation:

:)

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The option B is correct..
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If the results of an experiment do not support a scientist's hypothesis, what should the scientist do next? O A. Revise the hypo
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A. Revise the hypothesis based on the results and use it to design another experiment.

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After incubation, you observe that your streak-plate has heavy, uniform growth but no isolated colonies. Which of the following
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Answer:

Option 3 and 4 are most likely correct

Explanation:

<em>Option 3</em>: We know that area 1 would contain heavy streaking and not single colonies. Therefore, if the loop crosses area 3 and enters area 1, it will definitely result in heavy streaking again.

<em>Option 4</em>: We always need to sterilize properly the loop when streaking in different areas. If we don't do it, it is possible that the loop contains a lot of bacteria that would be streaked again.

Options 1 and 2 are incorrect because, according to question, there is a uniform growth but no isolated colonies. So, contamination or mixed culture would not produce uniform growth streaking rather mixed with other bacterial types.

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3 years ago
Which of the following is an example of applied research?
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Which of the following is an example of applied research? Researching the relationship between exposure to UV rays and skin cancer

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In the exercise to determine the concentration of a solution of CuSO4, for the
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Answer:

This question is incomplete

Explanation:

Experimentally, when trying to determine the concentration of an unknown sample of CuSO₄ with known absorbance, a standard curve is used. The standard curve is a scattered plot/graph in which known concentrations and there respective/corresponding absorbance are plotted on a "X and Y axis" graph (scattered plot). The absorbance is represented on the y-axis while the concentration is represented on the x-axis.

Once this known values are plotted on the standard curve, an unknown value (either absorbance or concentration) can be extrapolated from the curve. What is missing from the question is data required for the standard curve.

This question shows the absorbance of the CuSO₄ has been determined (most likely using spectrophotometer), the concentration could have been extrapolated from a standard curve.

An example of a standard curve is provided in the attachment for guidance.

Download docx
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3 years ago
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