問題詳情
16. Which statement about simple diffusion is correct?
(A) does not require energy；
(B) utilizes
proteins to move molecules across a membrane；
(C) cannot occur without a membrane
present；
(D) moves molecules against a concentration gradient.
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增