As a result, the sperm nucleus and other organelles are incorporated into the oocyte cytoplasm. Yanagimachi R, Noda YD. Introduction Fertilization is a sequence of coordinated molecular events involving the merging of the sperm with the egg, the fusion of the pronuclei and the intermingling of the maternal and paternal chromosomes.
This triggers the mitochondrial ATP-generating apparatus, as well as the dynein ATPase that stimulates flagellar movement in the sperm 9
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Inner acrosomal membrane of mammalian spermatozoa: Its properties and possible functions in fertilization. This article has been cited by other articles in PMC. Cholesterol efflux-mediated signal transduction in mammalian sperm: Cholesterol release signals an increase in protein tyrosine phosphorylation during mouse sperm capacitation.
Explanation : Spermatocytes are male gametocytes located in the seminiferous tubules of the testes. EMBO J.
Ovarian follicles each contain one oogonium, which becomes a primary oocyte, then a secondary oocyte. Members of this family consist of a signal sequence domain, a metalloprotease domain, a disintegrin-like domain, a cysteine-rich domain and an epidermal growth factor-like repeat.
The sperm binds to ZP3 which is consistent with the G-protein and becomes active. Sperm-egg fusion: Events at the plasma membrane.