Keratin Is an Important Aspect of Nonspecific Defense Because It

question 50

Multiple Choice

Keratin is an important aspect of nonspecific defense because it

• A)is toxic to pathogens.
• B)creates a physical barrier against pathogens.
• C)destroys pathogens.
• D)physically restricts pathogens to a specific region.

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Definitions:

Positive Economics

The branch of economics that focuses on factual and cause-and-effect relationships, avoiding value judgments about what ought to be.

Prescriptions

Authorized orders for medication given by a licensed healthcare professional, allowing a patient to be provided medicine.

Factor Of Production

Resources used in the creation of goods and services, traditionally categorized into land, labor, capital, and sometimes entrepreneurship.

Fertilizer

A chemical or natural substance added to soil or land to increase its fertility and enhance plant growth.