The Vitelline Layer of the Sea Urchin Egg

question 11

Multiple Choice

The vitelline layer of the sea urchin egg

• A) is outside of the fertilization membrane.
• B) releases calcium, which initiates the cortical reaction.
• C) has receptor molecules that are specific for binding acrosomal proteins.
• D) is first visible only when organogenesis is nearly completed.
• E) is a mesh of proteins crossing through the cytosol of the egg.

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