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Biology Chapter 2.2
| Question | Answer |
|---|---|
| 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 or RNA molecule 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. |
Created by:
DragonT20
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