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 ...

In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls allow plants to have rigid structures as varied as wood trunks and ...

Cell membrane, surrounded by cell wall. Cell contents Cytoplasm ... Genetic material DNA in a nucleus, plasmids are found in a few simple eukaryotic organisms. DNA is a single molecule, found ...