BIO 3303 Study Guide - Final Guide: Homeothermy, Thermoregulation, Blubber

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In a living animal, you"re not looking at one reaction but strings of them. each of these reactions have its own q10 values: when one reaction gets out of sync, the rest get messed up and they can no longer support life, the q10 shows the fold difference in a reaction rate for a 10 c temperature change, most reactions have a q10 of 2 or 3, meaning that the reaction rate doubles/triples if temperature rises 10 c, there is a broad range of temperatures that animals can tolerate ( 1 c to 50 c), much below, animals start to freeze, much above proteins denature, although there is a wide range of possible temperatures, most animals have a preferred range of temperatures that is quite a bit narrower, it is also typically matched to the environment they live in, in fish species, they have lethal temperatures.