阿摩線上測驗
9. Which of the statements is true of facilitated diffusion ?
(A)Energy is required for transport
of substances.
(B)Transport occurs with the help of membrane proteins.
(C)Substances
are transported out of the cell only.
(D)Substances are transported against their
concentration gradient.
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統計： A(5), B(134), C(4), D(9), E(0) #2343290
統計： A(5), B(134), C(4), D(9), E(0) #2343290
