Microscopic Folds That Extend from the Apical Surface of Certain

question 106

Multiple Choice

Microscopic folds that extend from the apical surface of certain epithelia to increase the surface area for absorption and secretion are called

• A)cilia.
• B)microvilli.
• C)flagella.
• D)mucous ridges.
• E)desmosomes.

---

Definitions:

Tariff

A levy placed by a government on imports to manage trade amounts and safeguard local sectors.

Brazilian Ethanol

Ethanol fuel produced in Brazil, primarily from sugarcane, used as a biofuel alternative to gasoline.

Consumer Surplus

The difference between the maximum price consumers are willing to pay for a product and the actual price they pay, reflecting consumer gain.

Producer Surplus

The difference between the amount producers are willing to accept for a good or service versus what they actually receive.