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Chapter 2 Section 2
Biology vocab
| Term | Definition |
|---|---|
| Energy | The capacity to do work |
| Chemical Reaction | The process by which one or more substances change to produce one or more different substances |
| Reactant | A substance or molecule that participates in a chemical reaction |
| Product | A substance that forms in a chemical reaction |
| Metabolism | The sum of all chemical processes that occur in an organism |
| Activation Energy | The minimum amount of energy required to start a chemical reaction |
| Catalyst | A substance that changes the rate of a chemical reaction without being consumed or changed significantly |
| Enzyme | A type of protein that speeds up metabolic reactions in plant and animals without being permanently changed or destroyed |
| Redox Reaction | A reaction in which electrons are transferred between atoms; also known as an oxidation-reduction reaction |
| Oxidation Reaction | A chemical reaction in which a reactant loses one or more electrons such that the reactant becomes more positive in charge |
| Reduction Reaction | A chemical change in which electrons are gained, either by the removal of oxygen, the addition of hydrogen, or the addition of electrons |
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Sadrian18
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