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The below describes slow block to polyspermy: A sperm cell membrane fuses with egg cell
membrane and the egg releases calcium. This increases the pH and the cortical granules
exocytose which creates the hyaline layer so no additional sperm can fuse. The release of
calcium is what triggers the more permanent change in the egg. It's a mechanical/physical block.
True False

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The below describes slow block to polyspermy A sperm cell membrane f.pdf

  • 1. The below describes slow block to polyspermy: A sperm cell membrane fuses with egg cell membrane and the egg releases calcium. This increases the pH and the cortical granules exocytose which creates the hyaline layer so no additional sperm can fuse. The release of calcium is what triggers the more permanent change in the egg. It's a mechanical/physical block. True False