What is not true regarding the acrosomal reaction (2 correct answers): It involves fusion of the outer acrosomal membrane with the plasma membrane of the sperm cell. It involves the fragmentation of the acrosomal membrane leaving the plasma membrane of the sperm cell naked. It involves the release of acrosin which digests the plasma membrane of the sperm cell. It assists the penetration of the swimming spermatozoa through the zona pellucida.
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It involves the fusion of the outer acrosomal membrane with the plasma membrane of the sperm cell. This fusion releases enzymes, such as acrosin, which digest the zona pellucida, a layer surrounding the egg. Show more…
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Sri K.
The main function of the acrosome reaction is to (a) activate the cgg (b) improve sperm motility (c) prevent interspecific fertilization $(\mathrm{d})$ facilitate penetration of the egg coverings by the sperm (c) cause fusion of the sperm and egg pronuclei.
3.Describe the acrosomal reaction of fertilization responsible for penetration of the oocyte a.The sperm cell binds to receptors located on the causing ion levels to rise within the sperm and the release of which penetrate through the zona pellucida until reaching the plasma membrane of the oocyte. 4.Describe the cortical reaction of fertilization responsible for the block to polyspermy. a. As ion levels rise in the oocyte, this triggers the release of containing enzymes which hardens the zona pellucida and destroys its 5.Define the following terms: a.Zygote: i. Define the term cleavage b.Morula: c.Blastocyst: i. Inner Cell Mass (Embryoblast): ii. Trophoblast
Adi S.
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