Abstract Background The origin of the nucleus is a central problem about the origin of eukaryotes. The common ancestry of nuclear pore complexes (NPC) and vesicle coating complexes indicates that the nucleus evolved via the modification of a pre-existing endomembrane system. Such an autogenous scenario is cell biologically feasible. but it is not clear what were the selective or neutr... https://unitedssports.shop/product-category/soccer-shoes-indoor-senior/