Which of the Following Types of Molecules May Passively Diffuse

question 57

Multiple Choice

Which of the following types of molecules may passively diffuse across a membrane?

• A) an amino acid in a low pH environment
• B) a weak acid in a high pH environment
• C) a large polar molecule such as a sugar
• D) a small uncharged molecule such as water
• E) No molecules can diffuse across a membrane.

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Definitions:

Law Of One Price

Assumption that any given good or service would carry the same price everywhere if allowed free movement across national borders.

Foreign Exchange Rates

The price of one country's currency in terms of another currency, affecting international trade and investment.

Pegs

A system where a country's currency value is fixed relative to a reference value, such as gold or another currency.

Overvalued Currencies

A situation where a currency is trading at a higher value on the foreign exchange market than is warranted by the country’s economic fundamentals.