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Study guide Energy, Cellular resp, Photosynthesis

Study guide Energy, Cellular resp, Photosynthesis - I...

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Introduction to Biology Midterm #2 covers Energy & Introduction to physiology and systems (Ch 5-7; 21-23) Study guide - Part I of II The following is a list of important terms and concepts for Chapters 5-7 This list may not be all-inclusive of exam material. Some material presented below may not appear on the exam. Chap 5 - Energy 1. What is the definition of energy? The capacity to perform work 2. What kind of work do cells do? 3. What is potential energy? Energy that an object has because of its location or arrangemen, such as the energy contained by water behind a dam or by a compressed spring. 4. How is chemical energy a form of potential energy? 5. What is kinetic energy? The energy of motion 6. How useful is heat energy for performing work? Not very useful 7. What is Conservation of Energy? It is not possible to destroy or create energy, can only be converted from one form to another 8. What is ATP and the ATP cycle? Atp is adenosine triphosphate, restored by adding a phosphate group to ADP 9. What is metabolism? Sum total of all the chemical reactions that occur in an organism 10. What is an enzyme? Specialized proteins that speed up chemical reactions 11. How are enzymes related to activation energy? Activation energy activates the reactands and triggers a chemical reaction 12.Food calories: what’s the difference between a calorie (undercase “c”), Calorie (upper case “c”), kilocalorie and dietary calorie?
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