Na is essential for activation of the in
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Chambers, Edward L.
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Article
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1976
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John Wiley and Sons
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English
โ 261 KB
## Abstract The presence of at least 2.5 mM Na during the first several min after insemination is requied for the activation of sea urchin eggs. Of those chemical species examined that exist entirely as cations, and which did not activate the unfertilized egg, only Li substitutes for Na. Ammonium a