Answer :
Final answer:
The device that measures the rate of exchange of oxygen and carbon dioxide during energy-acquiring pathways is a respirometer. Other devices like barometers, spectrophotometers, and fermentation tubes have different scientific applications.
Explanation:
A device that can be used to measure the rate of exchange of oxygen and carbon dioxide during energy-acquiring pathways is called a respirometer. The respirometer allows scientists to calculate the rate of respiration by measuring changes in gas volume. For instance, in the provided mice experiment where respiration was measured in mL of O₂ consumed, a respirometer would be used to accurately assess the oxygen intake and carbon dioxide output.
The other devices mentioned, such as a graduated cylinder, barometer, spectrophotometer, and fermentation tube, have different uses. The barometer, for example, measures atmospheric pressure; the spectrophotometer measures the amount of light absorbed or emitted by a substance; the graduated cylinder is used for volume measurement of liquids; and a fermentation tube is often used for studying fermentation.
Understanding how to use these devices properly is crucial in scientific research, especially in fields like biology and chemistry, where precise measurements are often required.
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