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Ch 2 (Sec 2.4)
Miller and Levine Biology
Question | Answer |
---|---|
pH scale | (p.43)Indicates how many H ions are in a solution. Ranges from 0-14. The lower the pH, the greater the acidity. |
chemical reaction | (p.50)A process that changes, or transforms, one set of chemicals into another. |
reactants | (p.50) The elements or compounds that enter into a chemical reaction. |
products | (p.50) The elements or compounds produced by a chemical reaction. |
activation energy | (p.51) The energy that is needed to get a chemical reaction started. |
catalyst | (p.52) A substance that speeds up the rate of a chemical reaction. |
enzymes | (p.52) proteins that speed up chemical reactions that take place inside cells. |
substrates | (p.52) The reactants of a chemical reaction involving enzymes. |