In contrast, the DNA of prokaryotic cells is distributed ... the mitochondrion and the chloroplast — play an especially important role in eukaryotic cells. These specialized structures are ...

Plant cells have several structures not found in other eukaryotes. In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls ...

Cytoplasm, ribosomes present; there are no mitochondria or chloroplasts ... is found on one or more rings called plasmids. Eukaryotic cell DNA in a nucleus, plasmids are found in a few simple ...

This protects the DNA and allows the cell to fine-tune the ... to have led to the evolution of chloroplasts in plants, but ...

Daniel Mills, Ludwig-Maximilians-Universität München During this time, some of the defining characteristics of modern eukaryotic cells—the nucleus, mitochondria, cytoskeleton, cell membrane, and ...