Multiple Choice
Which of the following describes passive transport?
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6. The Membrane
Passive vs. Active Transport
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Which of the following is an example of passive transport in cells?
A
Active transport
B
Exocytosis
C
Diffusion
D
Endocytosis
Verified step by step guidance1
Understand the concept of passive transport: Passive transport is the movement of substances across cell membranes without the need for energy input from the cell. It relies on the concentration gradient, moving substances from an area of higher concentration to an area of lower concentration.
Identify the types of passive transport: The main types of passive transport include diffusion, osmosis, and facilitated diffusion. These processes do not require cellular energy (ATP).
Examine the options provided: Active transport, exocytosis, and endocytosis are processes that require energy, thus they are not examples of passive transport.
Focus on 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.
Conclude with the correct example: Based on the understanding of passive transport, diffusion is the correct example of passive transport among the options provided.
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