Multiple Choice
Imagine that 1 milliliter of an experimental drug diluted in a saline solution is injected into 20 pregnant mice to determine possible side effects. Which of the following is a suitable control for this experiment?
A) 20 male mice injected with 1 milliliter of saline
B) 20 male mice injected with 1 milliliter of the drug
C) 20 pregnant mice injected with 2 milliliters of the drug
D) 20 nonpregnant mice injected with 1 milliliter of the drug
E) 20 pregnant mice injected with 1 milliliter of saline
Correct Answer:

Verified
Correct Answer:
Verified
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