... by magnetic fields * Affected by magnetic fields * Preparation of materials quick + simple * Preparation lengthy requires expertise + complex equipment Disadvantages: Advantages: * Magnifies 2000x * Magnifies 500000x * Limited depth of view * Possible to examine to greater depth of view There are many differences between plant and animal cells; these differences are visible under a microscope. A plant cell contains a cellulose cell wall in addition to the cell membrane whereas the animal cell only contains a cell membrane. The cell membrane is partially permeable to control entry and exit of substances it may also be infolded in places to form a large surface area. Plant cells also contain plastids e.g. chloroplasts and leucoplasts these are present in large numbers where as they are not present in animal cells. Chloroplasts are usually 5-10?m long and are bounded by a double membrane and it is where photosynthesis takes place it is also a storage for ...

See this essay or coursework document in full right now