Effector B Cells Secrete Antibodies That Bind to Any Remaining

question 17

Multiple Choice

Effector B cells secrete antibodies that bind to any remaining bacterial cells and

• A) prevent them from attaching to any body cells.
• B) flag them for phagocytosis.
• C) bore holes in their cell walls.
• D) prevent them from attaching to any body cells, and flag them for phagocytosis.
• E) prevent them from attaching to any body cells, flag them for phagocytosis, and bore holes in their cell walls.

---

Definitions:

Marginal Tax Rate

The rate at which your last dollar of income is taxed, indicating the tax rate applied to the next dollar of taxable income.

Excise Tax

Excise tax is a specific type of tax imposed on certain goods, services, and activities, often included in the price of products like tobacco, alcohol, and gasoline.

Regressive Tax

A tax system where the tax rate decreases as the taxable amount increases, putting a higher relative burden on lower-income earners.

Direct Tax

A tax directly paid to the government by the individual or organization upon whom it is imposed, such as income tax.