Cells

• A cell is a unit of life that contains of a mass of living matter called protoplasm
• Cell Membrane


  Function: Controls the movement of substances in and out of cells

  Made up of: Lipids and Proteins

  Membrane: Partially Permeable Membrane
• Cell Wall


  Function: Protects the cell from injury and gives the plant cell a fixed

  shape

  Made up of: Cellulose

  Membrane: Fully Permeable Membrane