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#Question id: 5557


The plasma membrane of the sea urchin egg ________.

#Unit 5. Developmental Biology
  1. is outside of the fertilization membrane

  2. releases calcium, which initiates the cortical reaction

  3. has receptor molecules that are specific for binding acrosomal proteins

  4. is a mesh of proteins crossing through the cytosol of the egg


Answer:- Option(s): 3


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