The Egg and Sperm Revolution

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Questions and Answers

Which of the following best describes the portrayal of the egg in the revised models discussed in the text?

  • The egg is depicted as a dangerous and aggressive threat
  • The egg is depicted as passive and submissive
  • The egg is depicted as having a larger and more active role than in older models (correct)
  • The egg is not portrayed differently than in older models

Which of the following is true about the Schatten lab's revised model?

  • The sperm captures and tethers the egg with its sticky zona
  • The egg is depicted as a passive and submissive participant
  • The egg interrupts the sperm's dive with a sudden and swift rush (correct)
  • The egg's nucleus guides the sperm's nucleus to the center

What is Wassarman's description of the surface of the egg in the revised models?

  • Rough and jagged
  • Covered with thousands of plasma membrane-bound projections (correct)
  • Thin and delicate
  • Smooth and featureless

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