What Do NK Cells Use to Distinguish Between Self and Nonself

question 49

Multiple Choice

What do NK cells use to distinguish between self and nonself?

• A) platelets
• B) MHC class I molecules
• C) macrophages
• D) dendritic cells
• E) monocytes

---

Definitions:

Profits

The financial gain made in a transaction or the operation of a business after deducting all expenses.

Pure Monopoly

A market structure where a single seller controls the entire market for a particular good or service, with no close substitutes.

Fair-return Price

A price that allows a company to cover its costs and make a reasonable profit.

Short Run

A period in economics where at least one input is considered fixed in the production process.