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Biology
Chapter 6 Vocabulary
| Question | Answer |
|---|---|
| Thermodynamics | The study of transformations of energy, using heat as the most convenient form of measurement of energy. |
| Redox reaction | Play a key role in the flow of energy through biological systems. For every electron that is lost by an atom through oxidation is gained by another atom through reduction. |
| Endergonic | Describes a chemical reaction in which the products contain more energy than the reactants, so that free energy must be put into the reaction from an outside source to allow it to proceed. |
| Activation Energy | The energy that must be processed by a molecule in order for it to undergo a specific chemical reaction. |
| Substrates | (1) The foundation to which an organism is attached. (2)A molecule on which an enzyme acts. |
| Active site | The region of an enzyme surface to which a specific set of substrates binds, lowering the activation energy required for a particular chemical reaction and so facilitating it. |
| Induced fit | The binding of a substrate induces the enzyme to adjust its shape slightly |
| Competitive Inhibitor | An inhibitor that binds to the same active site as an enzyme's substrate, thereby competing with the substrate. |
| Noncompetitive Inhibitor | An inhibitor that binds to a location other than the active site of an enzyme, changing the enzyme's shape so that it cannot bind the substrate. |
| Anabolic | Chemical reactions that expend energy to build up molecules |
| Catabolic | Reactions that harvest energy by breaking down molecules. |
Created by:
Caitlin_stafford
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