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can not cause net transport of molecules...

_____ can not cause net transport of molecules from low to high concentration .

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Facilitated diffusion
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A transport which is carried out by membrane prote ins and uses energy to pump molecules against a concentration gradients is

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Knowledge Check

  • Facilitated diffusion can not cause net transport of molecules from a low to a high concentration. because

    A
    This would require output of energy
    B
    This would require input of energy
    C
    Both (A) and (B)
    D
    None of these

  • Read the following statements and choose the correct ones---(A) Diffusion is a slow process and is dependent on a living system. (B) Diffusion of substances with hydrophilic moiety is facilitated by membrane proteins. (C) Facilitated diffusion causes net transport of molecules from a low to a high concerdration. (D) Saturations may be achieved in both facilitated dffusion as well as active transport .

    A
    (A) & (B)
    B
    (B) & (D)
    C
    (A) & (C)
    D
    (B) & (C)

  • Go through the following statements I. In active transport, pumps are proteins that use energy for transportation of molecules against the concentration gradient. II. Carrier protein is very specific III. Transport rate reaches a maximum when all the active protein transporters are used and saturated

    A
    All are correct
    B
    None is correct
    C
    l and Ill are correct
    D
    II and III are correct

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