Proteins: founds in meats, fish, dairy and beans, collagen, keratin and enzymes are examples, contain carbon, hydrogen, oxygen and nitrogen, Assembled by ribosomes, , Carbohydrates: starches and sugars, the sugar glucose is in this category, a quick source of energy, , found in the cell walls of plants , exoskeleton of insects, Lipids: includes fats and oils, make up most of the cell membrane, stored energy, , insulation, Nucleic Acids: contain carbon, hydrogen, nitrogen and phosphorus, DNA and RNA, Hold the instructions for your traits, ,

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