THE CELL
TRANSPORT INTO AND OUT OF THE CELL
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is not true about facilitated diffusion?
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It requires energy
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It requires carrier
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It requires a concentration gradient
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It requires sodium pump
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Explanation:
Detailed explanation-1: -No, facilitated diffusion does not release energy.
Detailed explanation-2: -Facilitated diffusion does not need any energy for the movement of molecules as they move from higher concentration to lower concentration gradient. This means they obey Fick’s law.
Detailed explanation-3: -Simple diffusion does not require energy: facilitated diffusion requires a source of ATP.
Detailed explanation-4: -Which of the statements is true of facilitated diffusion? Transport occurs with the help of membrane proteins.
There is 1 question to complete.