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#Question id: 5556


Contact of a sea urchin egg with signal molecules on sperm causes the egg to undergo a brief ________.

#Unit 5. Developmental Biology
  1.  mitosis

  2. membrane depolarization

  3. vitellogenesis

  4. acrosomal reaction


Answer:- Option(s): 2


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Homeotic genes are responsible for:

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#Question id: 16786

#Unit 13. Methods in Biology

What is the median of 7.1, 3.2, 5.8, 8.9, 6.5, 10.2, 9, 12.5 

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