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Home Q & A Board Biology-Related Homework Help General Biology
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avaasadi avaasadi
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6 years ago
The fast block to polyspermy involves the:a.
   release of inhibitors of acrosomal enzymes.
  b. synthesis of a new sperm-resistant membrane.
  c. accumulation of calcium ions in the acrosome.
  d. opening of ion channels that change the polarity of the egg membrane.
  e. destruction of excess bindin receptors on the sperm.

Question 2

Which of the following statements about sperm entry is true?
  a. The fertilization cone formed by microvilli of the egg membrane contracts and draws the
  sperm inward.
  b. The egg phagocytizes the acrosome of the sperm so it can enter the cell.
  c. The cilia on the egg membrane beat and sweep the sperm inside.
  d. The sperm releases calcium ions, which make the egg membrane permeable to its entry.
  e. The egg secretes bindin protein, which allows sperm penetration.
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nick1028nick1028
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6 years ago
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avaasadi Author
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#2
6 years ago
Thank you Jesus, my teacher is bad at explaining
wrote...
#3
6 years ago
Praise the LORD ha ha No worries
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