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 ...

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 ...

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 ...