Cell Walls Are Used by Many Different Organisms for Protection

question 37

Multiple Choice

Cell walls are used by many different organisms for protection from their environment and structural support. These cell walls must obviously be insoluble in water, otherwise, they would dissolve the first time the organism got wet. Which of the following carbohydrates would you expect to be the most soluble in water?

• A) cellulose
• B) starch
• C) peptidoglycan
• D) chitin

---

Definitions:

Euro

The Euro is the official currency of the Eurozone, used by 19 of the 27 European Union countries.

Real Exchange Rate

The rate at which two currencies can be exchanged after adjusting for their differing levels of inflation.

Foreign Goods

Products or services that are produced in other countries and then imported into one's own country for consumption or use.

Central Bank

An institution that manages a state's currency, money supply, and interest rates, overseeing the commercial banking system of its country.