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2.2 Biology
chapter 2
Term | Definition |
---|---|
energy | the capacity to do work |
chemical reaction | the process y 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 process that form in a reactive |
activation energy | |
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 plants and animals without being permanently changed or destroyed |
redox reaction | |
oxidation reaction | a chemical reaction in which a reactant loses one or more electrons so that the reactant will become more positive in charge |
reduction reaction |