Keratin

question 28

Multiple Choice

Keratin

• A)is a protein.
• B)is secreted by plasma cells to help protect the body from viruses.
• C)is made by melanocytes only.
• D)is both a protein and made by melanocytes only.
• E)All of these choices are correct.

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Definitions:

Nonexcludable

A characteristic of a good or service indicating that it is not possible to prevent non-paying customers from accessing it.

Excludable

A property of a good whereby it is possible to prevent individuals from enjoying the good unless they pay for it.

Public Good

A good or service offered to every member of a society for free, provided by either governmental bodies or private entities or individuals, without seeking to make a profit.

Demand Curve

An illustrated chart that displays the connection between a product's price and the amount consumers are willing to buy at those price levels.