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What are the big four macromolecules common to living organisms, what are the subunits of each?
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What are the big four macromolecules common to living organisms, what are the subunits of each?

User Marco Massetti
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Answer:There are four classes of macromolecules (polysaccharides or carbohydrates, triglycerides or lipids, polypeptides or proteins, and nucleic acids such as DNA & RNA). Carbohydrates and lipids are made of only carbon, hydrogen, and oxygen (CHO). Proteins are made of carbon, hydrogen, oxygen, and nitrogen (CHON).

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