10. If an unfertilized egg (oocyte) is treated with a chelating agent (such as EDTA) that binds and sequesters free calcium (Ca2+) and magnesium (Mg2+) ions, which of the following processes will be specifically blocked after sperm entry?
(A) The acrosomal reaction in the sperm head.
(B) The initial depolarization of the egg plasma membrane.
(C) The fusion of the sperm and egg plasma membranes.
(D) The formation of the fertilization envelope through the cortical reaction.
(E) The completion of Meiosis II within the oocyte.

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統計: A(1), B(0), C(0), D(3), E(0) #3847726

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受精後最關鍵訊號就是Ca²⁺,精子進入後...

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