Both Screening and Signaling

question 103

Multiple Choice

Both screening and signaling:

• A)correct inefficiency in the market.
• B)allow more transactions to take place that are valuable to buyers and sellers.
• C)can increase surplus gained in a market.
• D)All of these are true.

---

Definitions:

Endocytosis

A cellular process where a cell engulfs solid particles or liquids into a pouch which then becomes a vesicle.

Exocytosis

A cellular process in which intracellular vesicles fuse with the plasma membrane to release their contents outside the cell.

Adhesion Junctions

Specialized structures in cells that help in the binding of cells with each other or with the extracellular matrix.

Gap Junctions

Specialized intercellular connections that facilitate the direct transfer of ions and small molecules between the cytoplasms of adjacent cells.