16. All are characteristics associated with "brown fat" except:
(A) high levels of mitochondria rich in cytochromes.
(B) presence of uncoupler protein-1, thermogenin, in the mitochondrial inner membrane.
(C) energy from oxidation is converted to heat.
(D) found in newborns and hibernating animals.
(E) All are characteristics.
答案：99
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中