https://slavyanski.net/sb2020/story.php?title=karyotic-cell-nucleus-and-endomembrane-system-as-per-the-chimeric-model--7 Karyotic cell nucleus and endomembrane system as per the chimeric model. The key event in the origin of the eukaryotic cell is postulated to be a symbiotic association between a gram-negative eubacterium (from the proteobacteria-1 group) and likely an "eocyte" archaebacterium. This association led to the loss of the outer membrane from the gram-negative bacterium (not shown). As the membrane of th Fri, 14 Aug 2020 14:16:44 UTC en