The Golgi receives new proteins and lipids from the ER, finishes them up, addresses them and sends them to their final destination. In this way, the Golgi could be the postal service of the city. Lysosomes get rid of unusable waste within the cell and recycles those materials that can be reused, making it the recycling and garbage center of the city. Mitochondria are where ATP, the main energy molecule, is made. It could be considered the city's power plant. Then we have the cell's cytoskeleton, which gives the cell its shape, strength and its ability to move. It can be looked at as the roadways and bridges of the city. ("Chemical Composition of the Body," 2005)

Cells do not act alone and have help from things like enzymes to complete their job. Enzymes are proteins make chemical reactions within cells occur faster ("Chemical Composition of the Body," 2005). Without...
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