Multiple Choice
Which of the following is not a form of passive transport?
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6. The Membrane
Passive vs. Active Transport
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Which of the following is a passive process?
A
Endocytosis
B
Exocytosis
C
Active transport
D
Diffusion
Verified step by step guidance1
Understand the concept of passive transport: Passive transport is a process that does not require energy input from the cell. It relies on the natural movement of molecules from an area of higher concentration to an area of lower concentration.
Identify the processes listed: Endocytosis, Exocytosis, and Active transport are all processes that require energy, typically in the form of ATP, to move substances across cell membranes.
Define diffusion: Diffusion is a type of passive transport where molecules move from an area of higher concentration to an area of lower concentration until equilibrium is reached. It does not require cellular energy.
Compare diffusion with the other processes: Unlike endocytosis, exocytosis, and active transport, diffusion does not involve the use of energy and occurs naturally due to the concentration gradient.
Conclude that diffusion is the passive process among the options provided, as it aligns with the definition of passive transport.
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