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Ch.2 Sec 3&4
| Question | Answer |
|---|---|
| Monomers | smaller units |
| Polymers | joined monomers |
| Carbohydrates | are compounds made up of carbon, hydrogen, and oxygen atoms, usually in a ratio of 1:2:1. |
| Monosaccharides | single sugar molecules |
| Polysaccharides | large macromolecules formed from monosaccharides |
| Lipids | made mostly from carbon and hydrogen atoms |
| Nucleic acids | macromolecules containing hydrogen, oxygen, nitrogen, carbon, phosphorus. |
| Nucleotides | consist of three parts: a 5-carbon sugar, a phosphate grroup, and a nitrogenous base |
| RNA | contains sugar ribose |
| DNA | contains sugar deocyribose |
| Proteins | macromolecules that contain nitrogen as well as carbon, hydrogen, and oxygen |
| Amino Acids | are compounds with an amino group on one end and a carboxyl group |
| Chemical Reaction | a process that changes, or transforms, one set of chemical into another. |
| Reactants | The elements or compounds that enter into a chemical reation |
| Products | elements or compounds produced by a chemical reaction |
| Activation Energy | the energy that is needed to get a reaction started. |
| Catalyst | a substance that speeds up the rate of a chemical reaction |
| Enzymes | proteins that act as biological catalysts. |
| Substrates | The reactants of enzyme-catalyzed reaction. |