elobes12 elobes12
  • 12-10-2020
  • Biology
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What is positive controls used for?

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nikolasmyrick
nikolasmyrick nikolasmyrick
  • 12-10-2020
A positive control is a group in an experiment that receives a treatment with a known result, and therefore should show a particular change during the experiment. It is used to control for unknown variables during the experiment and to give the scientist something to compare with the test group.
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