Cellular component

Cellular components are the complex biomolecules and structures of which cells, and thus living organisms, are composed.

Cells are the structural and functional units of life.

[4] Examples include macromolecules such as proteins and nucleic acids, biomolecular complexes such as a ribosome, and structures such as membranes, and organelles.

While the majority of cellular components are located within the cell itself, some may exist in extracellular areas of an organism.

To be differentiated from other theoretical or fictional life forms, such life may be called carbon-based, cellular, organic, biological, or even simply living – as some definitions of life exclude hypothetical types of biochemistry.