阿摩線上測驗
33. Which of the following gives the correct rank order for relative toxicity (most to least) of the primary nitrogenous wastes used by different animals?
(A) urea → uric acid → ammonia
(B) uric acid → ammonia → urea
(C) ammonia → urea → uric acid
(D) ammonia → uric acid → urea
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統計： A(1), B(0), C(21), D(5), E(0) #3321056
統計： A(1), B(0), C(21), D(5), E(0) #3321056
