An Advantage of Excreting Nitrogenous Wastes as Urea Rather Than

question 85

Multiple Choice

An advantage of excreting nitrogenous wastes as urea rather than as ammonia is that

• A)urea can be exchanged for Na⁺.
• B)urea is less toxic than ammonia.
• C)urea requires more water for excretion than ammonia.
• D)urea does not affect the osmolarity gradient.
• E)less nitrogen is removed from the body.

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