Bio 100: Chapter 5 -- Basic structural and functional units of life
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The Cell Theory
All organisms are composed of one or more cells. The cell is the basic structural and functional unit of life. All cells come from pre-existing cells (Because the environment has changed).
Cell Boundary
Regulates what enters and leaves the cell
Prokaryotic Cells: The Primitive Cell Type
Small and primitive. Simple structure (no nucleus) but with small ribosomes. Cell division by binary fission (asexual) (Eukaryotes :Mitosis and Miosis)
Metabolism
Metabolic pathways are often organized within the structure of cell membranes
Cell Membrane
Molecular composition and structure
