The diversity of roles played by microtubules largely results from the diversity of tubulin isoforms that make up the filaments. What accounts for the diversity of roles played by microfilaments?

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#Question id: 5559

#Unit 5. Developmental Biology

During fertilization, the acrosomal contents ________.

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#Question id: 5560

#Unit 5. Developmental Biology

In a newly fertilized egg, the vitelline layer ________.

TLS Online TPP Program

#Question id: 5561

#Unit 5. Developmental Biology

In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are ________.

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#Question id: 5562

#Unit 5. Developmental Biology

In an egg cell treated with a chemical that binds calcium and magnesium ions, the ________.

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#Question id: 5563

#Unit 5. Developmental Biology

In mammalian eggs, the receptors for sperm are found in the ________.

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#Question id: 5564

#Unit 5. Developmental Biology

At the moment of sperm penetration, human eggs ________.