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  3. 1.  successful reproduction requires the pre

1.  Successful reproduction requires the precise coordination multiple, diverse processes in time and space. Similar to other species,...

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Biology

1.  Successful reproduction requires the precisecoordination multiple, diverse processes in time and space. Similarto other species, these diverse processes are often regulated by asingle factor.

A. Describe the multiple purposes and processes LH are involvedin within the reproductive tract that permits the successfulmeeting of sperm and newly ovulated oocyte though the time thesperm is in proximity to the cumulus oophorus.

B. Describe the when, where and how of the multiple criticalprocesses calcium induces or is involved in (i) within thereproductive tract and (ii) after the sperm attaches to the oocyteand (iii) after it enters the cytoplasm.

Answer & Explanation Solved by verified expert
3.9 Ratings (662 Votes)
Over the nucleus of each mammalian sperm is a membranous sac known as the acrosome which is filled with many kinds of hydrolytic enzymes In the female reproductive tract or in an IVF medium sperm undergo capacitation which permits the acrosome reaction Near the eggs probably stimulated by the cumulus cells and the ZP sperm release their acrosomal contents by exocytosis and penetrate the ZP Only acrosomereacted sperm fuse with eggs but their competency for fusion does not last long Cumulus cells are packed together by hyaluronic acid at ovulation and become diffuse during fertilization PVS perivitelline space Mammalian sperm have to travel a    See Answer
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