Experimental Controls
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Question 1 of 4
1. Question
Which of the following could act as a positive control for a study that expects reactive oxygen species (ROS) to lead to an increase in apoptosis in a bacterial culture?
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Question 2 of 4
2. Question
Which of the following could act as a negative control for a study evaluating the effectiveness of a new surgical procedure?
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Question 3 of 4
3. Question
To investigate the effect of a newly discovered toxin researchers cultured human epithelial cells in increasing amounts of the toxin and observed the effect of the toxin on apoptosis by measuring mitochondrial membrane potential. Which of the following could serve as a negative control for the experiment?
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Question 4 of 4
4. Question
Investigators discovered a potential anti-cancer compound and want to test its effectiveness by measuring tumor volume with and without the compound. Additionally, investigators include Docetaxel a drug known to reduce tumor volume. In this study Docetaxel acts as a:
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