Anterior-posterior polarity,illustration. The unequal distribution of proteins or other factors within a newly fertilised zygote or developing embryo is a key mechanism for establishing the axes within the organism around which development may proceed. For example,anterior-posterior polarity in the nematode worm Caenorhabditis elegans is dictated by the flow of cytoplasmic granules and PAR proteins to one side of the the embryo | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Stocker, Claudia |
Taille de l’image : | 5358 px × 3261 px |
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