Bio 260 Metabolism and Nutrition

Bio 260 Metabolism and Nutrition - Cell Metabolism Focus on...

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Cell Metabolism Focus on Cellular Respiration: Production of ATP
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Older
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Essential Amino Acids
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Fuels for ATP Production: Carbohydrates, Fats, Proteins (and lactate)
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Adenosine Triphosphate -- ATP Adenine Ribose 3 Phosphate groups High energy bonds Note: ADP and AMP
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As Glucose is Oxidized, Energy is Released. Glucose is Not Transformed into ATP. Glucose (or fatty acids, or amino acids) CO2 + H2O+ Heat energy energy energy energy Energy is used to drive this reaction: ADP + Pi + energy ± ATP
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Hydrolysis of ATP ATP ADP + Pi + energy Now the energy from ATP breakdown drives: 1. Mechanical work – muscle contraction 2. Transport work – across cell membrane 3. Chemical reactions ATP energy release is coupled to other reactions to do work
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Energy Released From ATP Hydrolysis Coupled to do Work
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Reversible Reactions: Build ATP, Split ATP ADP + Pi + energy ATP 1. Oxidation of Glucose, energy is stored 2. Hydrolysis of ATP, energy released
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Enzymes, Pumps, and Ion Channels
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ATP Synthase
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Do The Math
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1. Fat Glucose or Glucose Fat 2. Amino acids Glucose or Glucose Amino acids 3. Amino acids, Fats Feed into Krebs Cycle or Glycolysis to Make ATP
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This note was uploaded on 06/20/2011 for the course BIOL 260 taught by Professor Martino during the Spring '10 term at Carthage.

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Bio 260 Metabolism and Nutrition - Cell Metabolism Focus on...

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