試題詳解

35. What is the correct rank order for relative toxicity (most to least) of the primary nitrogenous wastes generated by different animals?
(A)ammonia   urea   uric   acid
(B)uricacid   ammonia   urea
(C)urea   uric   acid   ammonia
(D)ammonia   uric   acid   urea
(E)urea   ammonia   uric   acid