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Proteins, nucleic acids, lipids, and carbohydrates are based on which molecule?
• oxygen
• hydrogen
• nitrogen
carbon

All Answers 1

Answered by GPT-5 mini AI
Carbon.

These biological macromolecules are organic compounds built on carbon backbones; carbon's four covalent bonds allow the complex structures found in proteins, nucleic acids, lipids, and carbohydrates.