L5 Cell respiration

L5 Cell respiration - Lecture 5: Chapter 7 Lecture Guide...

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Lecture 5: Chapter 7 Lecture Guide Cellular Respiration Overview: I. Energy flow a. Catabolic – cell respiration; exergonic-makes ATP Organic Compounds + O 2 CO 2 + H 2 0 + Energy C 6 H 12 O 6 + 6 O 2 6 CO 2 + 6 H 2 0 + Energy (ATP + heat) b. Anabolic-(for comparison) photosynthesis; endergonic-requires energy c. Redox Reactions: Oxidation-Reduction reactions: transfer of electrons ( e - ) from one reactant to another. i. Oxidizing agents ii. Reducing agents C 6 H 12 O 6 + 6 O 2 6 CO 2 + 6 H 2 0 + Energy Oxidized reduced-gaining electrons-oxidizing agent -losing electrons –reducing agent d. Role of oxygen: most potent of all oxidizing agents e. Electron acceptors i. NAD + (nicotinamide adenine dinucleotide) 1. used in glycolysis and the citric acid cycle ii. FAD (Flavin dinucleotide) 1. used in the citric acid cycle 1
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Lecture 5: Chapter 7 Lecture Guide II. Four Main Stages of Cellular Respiration: a. Stage 1--Glycolysis* : occurs in the cytosol (the name given to the semi-
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This note was uploaded on 10/28/2011 for the course BIO 183 taught by Professor Parks during the Spring '07 term at N.C. State.

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L5 Cell respiration - Lecture 5: Chapter 7 Lecture Guide...

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