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Spicule Matrix Protein LSM34 Is Essential for Biomineralization of the Sea Urchin Spicule

โœ Scribed by Mira Peled-Kamar; Patricia Hamilton; Fred H. Wilt


Book ID
115604161
Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
224 KB
Volume
272
Category
Article
ISSN
0014-4827

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Na is essential for activation of the in
โœ Chambers, Edward L. ๐Ÿ“‚ Article ๐Ÿ“… 1976 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 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