Level of life
Cell
The smallest unit that can live on its own. Every living thing is made of one or more cells.
Gives the cell its shape and moves things inside it.Source: Fletcher & Mullins, 2010Source: Alberts et al., 2002Source: MedlinePlus
Level of life
The smallest unit that can live on its own. Every living thing is made of one or more cells.
The explanations on this page are our own summaries of these sources. Follow a link to read the original; if anything here disagrees with it, the original wins. How we choose and check sources.
Fletcher DA, Mullins RD (2010). Nature 463:485-492.
Alberts B, Johnson A, Lewis J, et al. (2002). Garland Science.
Free to read on NCBI Bookshelf. Standard reference for cell structure and molecular biology.
MedlinePlus Genetics. MedlinePlus Genetics. U.S. National Library of Medicine, NIH.