Ascientist is testing the effectiveness of drug x on cancer. she gives a small amount of the drug to mice that have cancer. she gives each mouse a different amount from 1 to 10 grams, and then measures the size of the tumor in each mouse before the drugs and two weeks after the drugs. she gives one of the mice sugar instead of drug x. what is her control in this experiment?

The control of this experiment is the rat that received sugar in place of the drug.

Explanation:

In a scientific experiment, control is characterized by the individual (or object) who has not received what is being tested in the experiment. In the case of the above question, the experiment wants to test the effectiveness of a drug in fighting cancer. All rats received different doses of this medicine, except for one mouse that received sugar in place of the medicine. This mouse is the control of the experiment and will serve to compare how cancer is reduced in individuals who received the drug compared to those with cancer who did not receive the drug.

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