What process is known as 'cell drinking'?

• A. Phagocytosis
• B. Receptor-mediated endocytosis
• C. Pinocytosis
• D. Exocytosis

Answer: (C)

Verified step by step guidance

1. Begin by understanding the concept of endocytosis, which is the process by which cells internalize substances from their external environment.
2. Recognize that there are different types of endocytosis, including phagocytosis, pinocytosis, and receptor-mediated endocytosis.
3. Phagocytosis is often referred to as 'cell eating' and involves the engulfing of large particles or cells.
4. Pinocytosis is known as 'cell drinking' and involves the ingestion of liquid and small solutes by the cell.
5. Receptor-mediated endocytosis is a selective process where cells internalize molecules based on specific receptor-ligand interactions.