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A non-biological entity with a cellular organizational structure (also known as a cellular organization, cellular system, nodal organization, nodal structure, et cetera) is set up in such a way that it mimics how natural systems within biology work, with individual 'cells' or 'nodes' working somewhat independently to establish goals and tasks ...
The widespread prevalence of these repair processes indicates the importance of maintaining cellular DNA in an undamaged state in order to avoid cell death or errors of replication due to damage that could lead to mutation. E. coli bacteria are a well-studied example of a cellular organism with diverse well-defined DNA repair processes.
Cell biology (also cellular biology or cytology) is a branch of biology that studies the structure, function, and behavior of cells. [ 1 ] [ 2 ] All living organisms are made of cells. A cell is the basic unit of life that is responsible for the living and functioning of organisms. [ 3 ]
Pre-cellular level: Atoms: Molecule: Groups of atoms Biomolecular complex: Groups of (bio)molecules Sub-cellular level: Organelle: Functional groups of biomolecules, biochemical reactions and interactions Cellular level: Cell: Basic unit of all life and the grouping of organelles Super-cellular level (Multicellular level) Tissue: Functional ...
Cell physiology is the biological study of the activities that take place in a cell to keep it alive. The term physiology refers to normal functions in a living organism. [1] ...
The three-domain system adds a level of classification (the domains) "above" the kingdoms present in the previously used five- or six-kingdom systems.This classification system recognizes the fundamental divide between the two prokaryotic groups, insofar as Archaea appear to be more closely related to eukaryotes than they are to other prokaryotes – bacteria-like organisms with no cell nucleus.
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Cell and molecular biology are related fields of biology that are often combined.. Cell biology; Molecular biology; Institute of Molecular and Cell Biology (disambiguation) GRE Biochemistry, Cell and Molecular Biology Test