問題詳情
41. The acrosomal reaction of sea urchin fertilization means
(A) the formation of a fertilization envelope.
(C) the release of hydrolytic enzymes from the sperm.
(B) the fusion of egg and sperm nuclei.
(D) the generation of an electrical impuise by the egg.
參考答案
答案：99
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中