ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] Sperm from the sea urchin, Tripneustes gratilla, were demem-branated in the presence of Ca2+(refs 2, 3) and reactivated at 22-23 C (Fig. 1). In these conditions the waveforms of the sperm flagella are nearly symmetrical when they are reactivated with Mg-ATP2" at low (〈106M) Ca2+concentration, ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/309560a0