USMLE Step 1 Quiz
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BIOCHEMISTRY
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A neonate born at term is able to maintain a stable core body temperature when placed in a cool environment, a process known as non-shivering thermogenesis. This is largely mediated by a specific protein found in the mitochondria of brown adipose tissue.
The protein responsible for this physiological process, thermogenin (UCP1), generates heat by which of the following mechanisms?
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