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
詳解 (共 1 筆)
未解鎖
The slow block to po...