Multiple Choice
What would most likely happen to plants if they did not have a waxy outer coating (cuticle)?
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6. The Membrane
Introduction to Membrane Transport
Multiple Choice
Which type of cellular process is most likely used by an amoeba to obtain food?
A
Facilitated diffusion
B
Phagocytosis
C
Osmosis
D
Exocytosis
Verified step by step guidance1
Understand the question: The problem asks which cellular process an amoeba uses to obtain food. Amoebas are single-celled organisms that engulf food particles, so we need to identify the process that matches this behavior.
Review the options: Facilitated diffusion involves the passive transport of molecules across a membrane via protein channels, osmosis is the movement of water across a membrane, exocytosis is the release of substances from the cell, and phagocytosis is the engulfing of large particles or cells.
Focus on the behavior of amoebas: Amoebas extend their pseudopodia (temporary projections of their cytoplasm) to surround and engulf food particles, forming a food vacuole. This process is a type of endocytosis specifically called phagocytosis.
Eliminate incorrect options: Facilitated diffusion, osmosis, and exocytosis do not involve engulfing food particles. Phagocytosis is the correct process for obtaining food in this case.
Conclude: The cellular process most likely used by an amoeba to obtain food is phagocytosis, as it involves engulfing and internalizing food particles.
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