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Biol Bull 59: 63-70. (August 1930)
© 1930 Marine Biological Laboratory
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A QUANTITATIVE STUDY OF THE EFFECT OF CARBON DIOXIDE UPON THE CLEAVAGE RATE OF THE ARBACIA EGG

CHARLOTTE HAYWOOD 1 and WALTER S. ROOT 1

1 From the Marine Biological Laboratory, Woods Hole, Massachusetts, and the Department of Physiology, School of Medicine, University of Pennsylvania

1. Sea water equilibrated with analyzed carbon dioxide-air mixtures was found to retard the first cleavage of Arbacia eggs which were introduced into the mixture ten minutes after insemination.

2. A measurable delay of cleavage occurred at tensions of carbon dioxide of as low as 4 mm. Hg. Retardation was progressively greater up to 120-130mm. Hg, at which point complete suppression occurred.






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Copyright © 1930 by the Marine Biological Laboratory.