Multiple Choice
Which of the following is a form of active transport?
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6. The Membrane
Active Transport
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Which type of transport requires energy to move substances across cell membranes?
A
Facilitated diffusion
B
Passive transport
C
Active transport
D
Osmosis
Verified step by step guidance1
Understand the different types of transport mechanisms across cell membranes: passive transport, facilitated diffusion, osmosis, and active transport.
Recognize that passive transport, including facilitated diffusion and osmosis, does not require energy as substances move along the concentration gradient.
Identify that active transport is the process that requires energy, usually in the form of ATP, to move substances against their concentration gradient.
Recall that active transport is essential for maintaining concentration differences across membranes, which are crucial for various cellular functions.
Conclude that the type of transport requiring energy to move substances across cell membranes is active transport.
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