Lecture - Energy and Enzymes Part 1- october 18

Lecture Energy and Enzymes Part 1 october 18

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Unformatted text preview: eries. Figure 4.9 WHERE IS ENERGY STORED? Stored in the chemical bonds of molecules as a form of POTENTIAL ENERGY called CHEMICAL ENERGY Glucose ATP (adenosine triphosphate) Hydrolysis - 7.3 kcal/mol Fig. 4.10 ATP and Energy Coupling ATP Cycle Fig. 4.12 Acquiring Energy Different foods contain different amounts of chemical energy 335 kJ or 80kcal 502 kJ or 120kcal 2357 kJ or 563kcal 712 kJ or 170kcal Food converted to usable energy (ATP) Food energy is converted into ATP through a series of catabolic and anabolic chemical reac/ons DIGESTION GLUCOSE enters the blood and is absorbed by body cells CELLULAR RESPIRATION GLUCOSE GLYCOLYSIS 1 1 PYRUVATE OXIDATION 2 KREBS CYCLE 3 ELECTRON TRANSPORT CHAIN 4 NET ATP PRODUCED approx. 36 Nelson, 2003 NOT ALL ENERGY RELEASED BY CATABOLIC REACTIONS is USED FOR ANABOLIC REACTIONS SECOND LAW of THE...
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This note was uploaded on 12/11/2013 for the course BIOLOGY 1000 taught by Professor Rebeccajubis during the Fall '11 term at York University.

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