Cell Structure

Cell Surface membrane

- 'Triliminar' - 3 layers

- a partially permeable barrier controlling the exchange between the cell and its environment.

- act as recptors for hormones, neurotransmitters

- allow compartments to be formed inside the cell

Nucleus

- chromosomes contain DNA, the molecule of inheritance. DNA oraganised into genes which controls all the activities of the cell

- nuclear envelope - regulates the flow of substances in and out of the nucleus

- nucleolus…