Question

what term below is used to describe the packaging of extracellular materials into a vesicle at the cells surface for entry into the cell?
options: facilitated diffusion, receptor - mediated exocytosis, exocytosis, endocytosis, i dont know yet

Explanation:

• Facilitated diffusion: Passive transport via proteins, no vesicle.
• Receptor - mediated exocytosis: Exports, not imports.
• Exocytosis: Releases from cell, opposite of import.
• Endocytosis: Packages extracellular materials into vesicles for cell entry.

Answer:

D. Endocytosis