★ Excretion Quiz
Which of the following statements about uric acid is true?
A. Uric acid is more soluble in water than urea
B. The darker material in bird droppings is mostly uric acid
C. Animals that excrete uric acid avoid the problem of dehydration associated with the excretion of urea
D. Uric acid cannot be excreted because of its toxicity
Preview next quiz:
Which of the following by-products of metabolism is most toxic?
A. Urea
B. Uric acid
C. Ammonia
D. Carbonic acid
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