問題詳情
16. The slow block to polyspermy during fertilization are dependent on
(A) the entrance of potassium ions into the egg
(B) the departure of sodium ions from the egg
(C) the entrance of calcium ions into the egg
(D)the departure of bydrogen ions from the egg
(E) the entrance of chloride ions into the egg
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