In addition to the nucleus, eukaryotic cells may contain several other types ... in much the same way that interior walls separate the rooms in a house. The membranes that surround eukaryotic ...

The shapes within the eukaryotic cell denote the nucleus, the endomembrane system, and the cytoskeleton. The irregular gray shape denotes a putative wall-less archaeon that could have been the ...

Bacteria are amongst the simplest of organisms - they are made of single cells ... Outer layers of cell Cell membrane, surrounded by cell wall in plants and fungi. Cell membrane, surrounded ...