Complement Proteins

question 28

Multiple Choice

Complement proteins

• A)kill invaders.
• B)are precursors to antibodies.
• C)repel macrophages.
• D)break down antigens.

---

Definitions:

Trade Surpluses

A situation where a country exports more than it imports, resulting in a positive balance of trade.

Gross Saving Rate

The proportion of total national income that is not spent on consumption or taxes, indicating the amount saved.

Gross National Income

An economic metric that totals the domestic and foreign output of residents of a country, including product taxes and minus subsidies not included in the valuation of output.

APC

Average Propensity to Consume, which measures the fraction of income spent on consumption out of the total income.