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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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ppk ppk
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12 years ago
The vitelline layer of the sea urchin egg     
A) releases calcium, which initiates the cortical reaction.
B) has receptor molecules that are specific for binding acrosomal proteins.
C) is outside of the fertilization membrane.
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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bio_manbio_man
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