The Cell Theory The cell is the basic unit of structure and function (a.k.a. – life) All living things are made up of 1 or more cells Cells come from.
Cell Structures Unit. Cells – What are they? Specific Separate mass surrounded by a semi- permeable membrane The basic structural unit of life All organisms.
4-3: Cell Organelles + Features Eukaryotic cells have many membrane systems Eukaryotic cells have many membrane systems Divide cells into compartments.