منابع مشابه
Centrosome Structure in Anthoceros Laevis and Marchantia Polymorpha
Berlin and Bowen (2) observed paired centrioles adjacent to nuclei in vegetative hyphae, sporangiophores, and sporangia in the fungus Albugo candida. The centrioles were arranged end-to-end on the same axis "with little or no angle between them." Later these same authors suggested that the centrioles in an end-to-end orientation appeared to be in the process of replication (3) . Turner (11) not...
متن کاملDifferentiation of the Chloroplast of Anthoceros
It has been demonstrated that the following changes accompany differentiation in the plastid of the liverwort Anthoceros eckloni. The inner membrane of the plastid folds to give rise to small vesicles which grow and may fuse to form thylakoids, i.e. flat bags. The thylakoids may "pair" to produce the doublets (thick membranes) of the grana. The doublets may be produced also by the invagination ...
متن کاملON A RETICULAR DERIVATIVE FROM GOLGI BODIES IN THE MERISTEM OF Anthoceros
Micrographs of dictyosomes in face view and in profile, together with serial sections representing both these planes, are reproduced from three sample cells at different developmental stages in the meristem of Anthoceros. The stages are: a vegetative cell at anaphase of a mitotic division, a vegetative cell in an early stage of postmitotic extension growth, and a young spore mother cell in the ...
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acknowledge the importance of e-commerce to their countries and to survival of their businesses and in creating and encouraging an atmosphere for the wide adoption and success of e-commerce in the long term. the investment for implementing e-commerce in the public sector is one of the areas which is focused in government‘s action plan for cross-disciplinary it development and e-readiness in go...
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ژورنال
عنوان ژورنال: Annals of Botany
سال: 1901
ISSN: 1095-8290,0305-7364
DOI: 10.1093/oxfordjournals.aob.a088830