QUESTION IMAGE
Question
- which macromolecule is not one of the four key macromolecules important in living things?
carbohydrates
proteins
lipids
plastics
Brief Explanations
The four key macromolecules in living things are carbohydrates, proteins, lipids, and nucleic acids. Plastics are synthetic polymers and not macromolecules important in living things.
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D. Plastics