The description of prokaryotic cells. The structure and composition of the cell membrane and of cell wall. An explanation of Voltaic cells. An introduction to cell. The process of cell diffusion. The process of cell division. The description of eukaryotic cells. An overview of cell transport and its different types. The structure and function of nerve cells. The process of binary fission. Understanding asexual reproduction. The description and importance of chromosome. The structure and function of the immune system. The different steps in mitosis. The description of gametes. The different steps in the Krebs Cycle.