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Sea Urchin Eggs Release Protease Activity at Fertilization

✍ Scribed by VACQUIER, VICTOR D.; EPEL, DAVID; DOUGLAS, LAURA A.


Book ID
109682225
Publisher
Nature Publishing Group
Year
1972
Tongue
English
Weight
390 KB
Volume
237
Category
Article
ISSN
0028-0836

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## Abstract β€œFertilization acid” is released from sea urchin eggs upon fertilization and decreases the pH of the surrounding seawater. In bicarbonate‐free artificial seawater flushed with nitrogen gas, the pH shift still occurs but returns to the original value in a few minutes, suggesting that the