Newborn mammals generally do not shiver despi | vedclass

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(A) Newborn mammals possess brown adipose tissue (brown fat). Brown fat contains a high density of mitochondria and the protein thermogenin (uncouplin

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Brown fat which has a larger capacity for generating heat

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(A) Newborn mammals possess brown adipose tissue (brown fat). Brown fat contains a high density of mitochondria and the protein thermogenin (uncoupling protein $1$). On oxidation,brown fat generates heat through non-shivering thermogenesis,yielding significantly more energy in the form of heat compared to ordinary white fat. Therefore,it helps maintain body temperature without the need for shivering.

Newborn mammals generally do not shiver despite lower outside temperatures because of:

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