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| 7334268137 | Amino Acid | monomer of a protein; | 0 | |
| 7334287420 | biomolecule | The molecules of life that include: carbohydrates, lipids, proteins and nucleic acids; a.k.a. macromolecule or organic compound | 1 | |
| 7341769074 | carbohydrate | macromolecule composed of carbon, hydrogen, and oxygen; includes sugars and starches; main source of energy | 2 | |
| 7341774601 | dehydration synthesis | Condensation reaction where molecules are connected by loss of a water molecule. | 3 | |
| 7341779926 | energy | Ability to do work or cause change; the strength and vitality required for sustained physical or mental activity. | 4 | |
| 7341786323 | fatty acid | monomer of lipids; chains of carbon atoms bonded to hydrogen atoms | 5 | |
| 7341792414 | lipid | macromolecule made mostly from chains of carbon and hydrogen atoms; includes fats, oils, and waxes; source of stored, long-term energy. | 6 | |
| 7341820646 | metabolize | How an organism breaks down food (macromolecules) and uses it for energy | 7 | |
| 7341834071 | molecule | two or more atoms bonded together | 8 | |
| 7341837428 | nitrogen | the chemical element that helps identify protein macromolecules | 9 | |
| 7341851851 | nucleic acid | macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus; stores and communicates genetic information | 10 | |
| 7343053270 | peptide bond | The bond between two amino acid units, formed by a dehydration reaction to building proteins | 11 | |
| 7343060529 | phosphate | the chemical element that helps identify nucleic acid macromolecules | 12 | |
| 7343077376 | polymer | A long molecule consisting of many similar or identical monomers linked together. | 13 | |
| 7343079091 | polysaccharide | A carbohydrate polymer of many monosaccharides linked by dehydration reactions | 14 | |
| 7343087081 | protein | macromolecule made of monomers of carbon, hydrogen, oxygen and nitrogen, called amino acids; helps build and repair tissues and create enzymes | 15 | |
| 7344644662 | catalyst | A material that increases the rate of a reaction by lowering the activation energy | 16 | |
| 7344660728 | substrate | the substance (reactant) on which an enzyme acts | 17 | |
| 7344670843 | activation energy | minimum amount of energy needed for a chemical reaction to occur | 18 |
