Which of the Following Substances Would Have the Most Trouble

question 2

Multiple Choice

Which of the following substances would have the most trouble crossing a biological membrane by diffusing through the lipid bilayer?

• A) O₂
• B) CO₂
• C) Na⁺
• D) a small, nonpolar molecule such as butane (C₄H₁₀)

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Definitions:

Deficit

The amount by which expenses surpass income or revenues, resulting in a loss.

Retained Earnings

Profits that a company has reinvested in itself rather than paying out to shareholders as dividends.

Comprehensive Income

This term includes all changes in equity during a period except those resulting from investments by owners and distributions to owners.

Comprehensive Income

A measure of all changes in equity of a company that result from recognized transactions and other economic events of the period other than those resulting from investments by and distributions to owners.