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Home Q & A Board Biology-Related Homework Help Cell Biology
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mickey16 mickey16
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11 years ago
Right now in my Science class, we're doing a lab on how the water temperature affects the cellular respiration rate of goldfish. My hypothesis is that as the water temperature increases, the cellular respiration rate will increase. Is there a good reason for this? I mean, we need to know some background information or scientific concepts supporting our hypothesis, and I wasn't sure what to say. Why does the respiration rate increase as the temperature increases? Does it have something to do with how fish are cold-blooded?
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11 years ago
Fish are cold-blooded (there's another term for this poikilotherm I think) so their body temperature will vary with the temperature of their environment. So cold water means the fish has a lower body temperature.

Chemical reactions speed up with increased temperature and slow down with decreased temperature.  For every 10 degrees increase in temperature, reaction speed doubles.
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