Which outcome occurs when ground squirrels enter hibernation with disrupted mitochondrial uncoupling protein 1 (UCP1)?

💡 Explanation

Without UCP1's non-shivering thermogenesis, brown fat cannot produce heat efficiently, because the proton gradient is not bypassed. Therefore, the squirrel relies on shivering, rather than brown fat metabolism, to maintain some minimal metabolic temperature threshold. That temperature threshold facilitates survival.

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• Which effect occurs when high CO2 hinders gas bladder inflation?
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