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FinnZ [79.3K]
2 years ago
5

When doing medical research with human subjects, which four limitations are unavoidable?

Biology
1 answer:
mojhsa [17]2 years ago
5 0

It's often impossible to repeat trials on the same subjects. 2-Subjects may report an inaccurate medical history. 3-It can be difficult to control all possible variables. 4-It's impossible to come up with testable scientific questions for human subjects.

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Please see my answer below.

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Explanation:

<em><u>The endosymbiotic theory states that some of the organelles in eukaryotic cells were once prokaryotic microbes. Mitochondria and chloroplasts are the same size as prokaryotic cells and divide by binary fission. Mitochondria and chloroplasts have their own DNA which is circular, not linear.</u></em>

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