Electronic Resource
[s.l.]
:
Nature Publishing Group
Nature
220 (1968), S. 389-389
ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] There have been claims that the sporopollenin of the developing exine is pre-synthesized in the tapetum and transferred in particulate form to the exine, but I, like Mepham and Lane, have found no evidence for this. On the other hand, this in no way precludes the possibility that exine precursors ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/220389a0
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