Respirometer

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4 Terms

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Respirometer

  • apparatus used to measure the rate of respiration of an organism through changes in gas volume (o2) and allows one to determine metabolic rate and energy expenditure 

2
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Limitations of Respirometer

  • specimen might has a very low metabolic rate → changes may not be detected 

  • too much co2 → Not absorbed by KOH

3
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Main Concept of Respirometer

  • as organism takes up o2 gas volume decreases so fluid moves

  • drop in pressure is detected by manometer

  • water bath can be used to investigate the effect of temperature.

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