The difference between simple diffusion and facilitated diffusion is that facilitated diffusionGroup of answer choicesdoes not require ATP.requires transporter proteins.moves materials from a lower to a higher concentration.moves materials from a higher to a lower concentration.requires ATP.
Question
The difference between simple diffusion and facilitated diffusion is that facilitated diffusionGroup of answer choicesdoes not require ATP.requires transporter proteins.moves materials from a lower to a higher concentration.moves materials from a higher to a lower concentration.requires ATP.
Solution
The difference between simple diffusion and facilitated diffusion is that facilitated diffusion requires transporter proteins.
Here's a step-by-step explanation:
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Simple Diffusion: This is a passive process where molecules move from an area of high concentration to an area of low concentration. This process does not require energy (ATP) or any special carrier proteins. It's simply the natural movement of molecules trying to spread out evenly in a space.
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Facilitated Diffusion: This is also a passive process and does not require energy (ATP). However, unlike simple diffusion, facilitated diffusion requires special transporter proteins to help move molecules across the cell membrane. These proteins provide a sort of 'channel' for the molecules to pass through, allowing them to move from an area of high concentration to an area of low concentration more efficiently.
So, the key difference is that facilitated diffusion requires transporter proteins, while simple diffusion does not.
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