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Editor(s): Nick Bisceglia |. Subscribe. Cell biology is the study of cell structure and function, and it revolves around the concept that the cell is the fundamental unit of life. Focusing on the cell permits a detailed understanding of the tissues and organisms that cells compose.
Biology is the branch of science that deals with the study of living things. It studies any species that is considered to be alive, including minute bacteria that are made up of a single cell.