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Multiple Choice
The process by which a cell takes in a large particle is called:
A
Exocytosis
B
Osmosis
C
Phagocytosis
D
Pinocytosis
Verified step by step guidance
1
Step 1: Begin by understanding the key terms provided in the problem. Exocytosis refers to the process by which a cell expels materials to the outside environment. Osmosis is the movement of water across a semipermeable membrane. Pinocytosis involves the ingestion of liquid into the cell. Phagocytosis is the process by which a cell engulfs large particles or microorganisms.
Step 2: Focus on the term 'large particle' in the question. This is a critical clue that helps differentiate between the processes listed.
Step 3: Recall that phagocytosis is a type of endocytosis specifically designed for engulfing large particles, such as debris or pathogens, into the cell. This process is commonly performed by specialized cells like macrophages.
Step 4: Compare phagocytosis with pinocytosis. While phagocytosis deals with large particles, pinocytosis is the ingestion of fluids and small molecules. This distinction confirms that phagocytosis is the correct answer.
Step 5: Conclude that the process described in the problem, where a cell takes in a large particle, is phagocytosis based on the definitions and characteristics of the terms provided.