Which of the Following Statements Are True of the Digestive

question 101

Multiple Choice

Which of the following statements are true of the digestive processes? (Read carefully and select all of the correct statements.)

• A)Chewing and the churning of the stomach are the only forms of mechanical digestion.
• B)Chemical digestion requires enzymes,each of which is specific for one type of food.
• C)An enzyme that requires a pH of 2 usually will not work at a pH of 8.
• D)Mechanical digestion is helpful because it increases the surface area of food for enzymes to function efficiently.

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Definitions:

Perfectly Competitive

A market structure characterized by many buyers and sellers, free entry and exit, and a homogeneous product.

Consumer Surplus

The distinction between the ideal payment by consumers for a product or service and the financial outlay they make.

Average Cost

An alternative term for average total cost; the total cost divided by the quantity of output produced.

Deadweight Loss

A reduction in economic effectiveness that happens when a product or service does not reach, or cannot reach, its equilibrium state.