Bio 100: Chapter 5 -- Basic structural and functional units of life
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