One Function of HCl Secreted in the Stomach Is to Convert

question 22

Multiple Choice

One function of HCl secreted in the stomach is to convert pepsinogen into the active enzyme pepsin.Why don't stomach cells simply secrete pepsin instead?

• A)Adequate amounts of pepsin are already manufactured by the pancreas.
• B)Only the pepsinogen version is able to stabilize fat-water emulsions.
• C)Pepsin is denatured and rendered inactive in solutions with low pH.
• D)If cells produced active pepsin,they would digest their own cellular proteins.

---

Definitions:

Kinked-Demand Curve

A demand curve that has a flatter slope above the current price than below the current price. Applies to a noncollusive oligopoly firm if its rivals will match any price decrease but ignore any price increase.

Elastic Demand

A situation where the quantity demanded of a good or service changes significantly due to a change in its price.

Marginal Revenue Curve

A curve that shows the change in total revenue resulting from selling one additional unit of a product or service.

Standardized Product

Products that are uniform in quality and features, offering no significant difference from the same products offered by other sellers.