Biomolecules - Large, complex macromolecules essential for life, Biomolecules are mostly composed of... - carbon, hydrogen, oxygen, nitrogen, phosphorus, and sometimes sulfur., Monomer - Small units/one puzzle piece, Polymer - Larger chains/entire puzzle, Biomolecules provide... - energy, maintain the structure of muscles, keep cell membranes fluid, assist with cell-to-cell communication, and start chemical reactions., All sources of food are derived, or made from, four essential biomolecules called... - carbohydrates, lipids, proteins, and nucleic acids., Carbohydrates - Quick energy source, broken down into glucose (sugar)., Lipids - Fats; used for long-term energy storage., Proteins - Used for building and repairing tissues, but can be metabolized for energy in some extreme cases., Nucleic Acids - Essential for storing genetic information, which holds the recipe for making new proteins.,

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