A student performs an experiment to measure weight gain in mice that eat rodent chows varying in protein and fat content. The positive control in this experiment is standard rodent chow with 25% protein and 5% fat contents. The negative control is given water only (no food). For this experiment, a net change in weight of 0.5 grams or higher is considered a weight gain or loss. If the weight of a mouse fluctuates less than 0.5 grams up or down, it is considered healthy weight maintenance. The table shows the results, including those of the two control mice. Food source No food (negative control) 25% protein and 5% fat (positive control) 30% protein and 0% fat Initial weight of mouse (grams) 39.6 39.5 39.4 Final weight of mouse (grams) 38.4 39.7 39.0

Chemistry: The Molecular Science
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Chapter13: The Chemistry Of Solutes And Solutions
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A student performs an experiment to measure weight gain in mice that eat rodent chows varying in protein and fat content. The
positive control in this experiment is standard rodent chow with 25% protein and 5% fat contents. The negative control is given
water only (no food).
For this experiment, a net change in weight of 0.5 grams or higher is considered a weight gain or loss. If the weight of a mouse
fluctuates less than 0.5 grams up or down, it is considered healthy weight maintenance.
The table shows the results, including those of the two control mice.
Food source
No food (negative control)
25% protein and 5% fat (positive control)
30% protein and 0% fat
20% protein and 10% fat
15% protein and 15% fat
10% protein and 20% fat
Initial weight of mouse (grams)
39.6
39.5
39.4
39.5
39.7
38.9
Final weight of mouse (grams)
Which of these conclusions can you draw from the data collected in the experiment?
38.4
39.7
39.0
39.9
40.4
40.1
The chow containing 10% protein and 20% fat resulted in the greatest weight gain.
The chow containing 30% protein and 0% fat resulted in significant weight loss.
The chow containing 20% protein and 10% fat resulted in significant weight gain.
The standard rodent chow was sufficient to maintain a healthy weight.
The chow containing 15% protein and 15% fat resulted in healthy weight maintenance.
Transcribed Image Text:A student performs an experiment to measure weight gain in mice that eat rodent chows varying in protein and fat content. The positive control in this experiment is standard rodent chow with 25% protein and 5% fat contents. The negative control is given water only (no food). For this experiment, a net change in weight of 0.5 grams or higher is considered a weight gain or loss. If the weight of a mouse fluctuates less than 0.5 grams up or down, it is considered healthy weight maintenance. The table shows the results, including those of the two control mice. Food source No food (negative control) 25% protein and 5% fat (positive control) 30% protein and 0% fat 20% protein and 10% fat 15% protein and 15% fat 10% protein and 20% fat Initial weight of mouse (grams) 39.6 39.5 39.4 39.5 39.7 38.9 Final weight of mouse (grams) Which of these conclusions can you draw from the data collected in the experiment? 38.4 39.7 39.0 39.9 40.4 40.1 The chow containing 10% protein and 20% fat resulted in the greatest weight gain. The chow containing 30% protein and 0% fat resulted in significant weight loss. The chow containing 20% protein and 10% fat resulted in significant weight gain. The standard rodent chow was sufficient to maintain a healthy weight. The chow containing 15% protein and 15% fat resulted in healthy weight maintenance.
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