The cell theory states that absolutely all living beings are composed of cells, for which all cells must contain the necessary structures to metabolize (nourish) and self-perpetuate (reproduce) as the cell nucleus, where the DNA is store.
Cell theory focused the efforts of biology on the cell as the minimal structure to sustain life.
- The vital functions of organisms take place within cells through biochemical processes, and are controlled by substances secreted by cells.
- Cells have diverse structures and delimited sectors that allow them to fulfill vital functions in the entire organism: birth, nutrition, metabolism, reproduction, growth, death.
- These processes also depend on important cellular structures, such as the cell nucleus, where the DNA of the entire species is contained.
Therefore, we can conclude that the cell theory allowed us to understand the dynamics and processes of the cell.
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