cellular process (GO:0009987)

Any process that is carried out at the cellular level, but not necessarily restricted to a single cell. For example cell communication occurs among more than one cell, but occurs at the cellular level.

Specific

cell separation after cytokinesis (GO:0000920) cell wall organization or biogenesis (GO:0071554) cellular metabolic process (GO:0044237) cellular response to stimulus (GO:0051716) cytolysis (GO:0019835) external encapsulating structure organization (GO:0045229) intercellular transport (GO:0010496) multi-organism cellular process (GO:0044764) organelle organization (GO:0006996) phenotypic switching (GO:0036166) single-organism cellular process (GO:0044763)

References

gene ontology: GO:0009987