Uptake OF Ca2+ is one of the earliest re
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Paul, Miles ;Johnston, Randal N.
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Article
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1978
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John Wiley and Sons
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English
β 351 KB
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## Abstract Sea urchin eggs take up Ca for 10 min following insemination (determined as uptake of ^45^Ca from the SW (3)). Although 90% of this uptake occurs after the beginning of the cortical reaction and may represent external binding of Ca to the egg surface coats, there is a brief phase of upt