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.
詳解 (共 2 筆)
未解鎖
(一)被動運輸 1.簡單擴散(simp...
未解鎖
細胞膜的運輸：小分子→「擴散」與「主動運...
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