An Advantage of Excreting Nitrogenous Wastes as Urea Rather Than

question 32

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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Definitions:

WACC

WACC stands for Weighted Average Cost of Capital, a calculation used to assess the average cost of a company's financing sources including equity, debt, and other securities.

Optimal Capital Structure

The best mix of debt, equity, and other financings that maximizes a company's market value while minimizing its cost of capital.

Discount Rate

The rate of interest utilized to calculate the current value of future cash flows within discounted cash flow analysis.

Cost of Capital

A company's expense for acquiring funds and capital, calculated as a weighted average of debt and equity costs.