protists
121Cell nucleus — HeLa cells stained for the cell nucleus DNA with the Blue Hoechst dye. The central and rightmost cell are in interphase, thus their entire nuclei are labeled. On the left, a cell is going through mitosis and its DNA has condensed ready for… …
122Cell wall — A cell wall is a tough, flexible and sometimes fairly rigid layer surrounding a cell, located external to the cell membrane, which provides the cell with structural support, protection, and acts as a filtering mechanism. A major function of the… …
123Ciliate — For the type of leaf margin, see Leaf#Margins (edge). Ciliated Cells Temporal range: Ediacaran Recent …
124Cnidaria — Temporal range: 580–0 Ma …
125Chlorophyta — Siphoneae from Ernst Haeckel s Kunstformen der Natur, 1904 Scientific classification …
126DNA — For a non technical introduction to the topic, see Introduction to genetics. For other uses, see DNA (disambiguation). The structure of the DNA double helix. The atoms in the structure are colour coded by element and the detailed structure of two …
127Desmothoracid — Desmothoracids Scientific classification Domain: Eukaryota Kingdom: Rhizaria Phylum: Cercozoa …
128Flagellate — Not to be confused with flagellation. Flagellata from Encyclopædia Britannica …
