49. What is the main purpose of the urea cycle in mammals?
(A) To break down fatty acids
(B) To detoxify ammonia by converting it to urea
(C) To produce ATP
(D) To synthesize glucose
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統計: A(0), B(18), C(0), D(1), E(0) #3426018
統計: A(0), B(18), C(0), D(1), E(0) #3426018