lecture notes-metabolism pathways-complete notes-2009

Lecture - Metabolic Pathways Overview of metabolism pathways Catabolism Anabolism Bioenergetics Important metabolic pathways Catabolism Glucose

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Unformatted text preview: Metabolic Pathways- Overview of metabolism pathways- Catabolism - Anabolism- Bioenergetics- Important metabolic pathways- Catabolism:- Glucose catabolism- aerobic pathway- anaerobic pathway- Hydrocarbon - Nitrogen compounds- Anabolism:- Photosynthesis- Biosynthesis Metabolic Pathways Metabolism: a complete set of chemical reactions that occur in living cells, allowing cells to grow and reproduce, maintain their structures, and respond to their environments. Major challenges in bioprocess development: To select an organism that can efficiently make a given product or digest wastes in the Environment. It is important to understand the metabolic pathways. Metabolic Pathways- Overview of metabolism pathways Metabolism can be subdivided by- Catabolism : The intracellular process of degrading a compound into smaller and simpler products and generating energy. Glucose to CO 2 , and H 2 O, protein to amino acids.- Anabolism : the synthesis of more complex compounds and requires energy. Synthesis of small molecules (amino acids, nucleotides, fatty acids and sugars) and complex compounds (glycan (polysaccharide), DNA, RNA, and lipids.) Major Metabolic Pathways in a Bacterial Cell ( M.Shuler, 2002 ) Metabolic Pathways- Bioenergetics Sunlight Photosynthesis by autotrophs : CO 2 + H 2 O → carbohydrates Anabolism requiring energy Catabolism generating energy, e.g ATP Autotrophs or heterotrophs Metabolic Pathways- Bioenergetics- Energy is mainly stored or transferred by adenosine triphosphate (ATP). Other energy carrying compounds include GTP, UTP and CTP. Metabolic Pathways Bioenergetics- Reducing power: supply hydrogen atom in biosynthesis. • Nicotinamide Adenine Dinucleotide (NADH) • Flavin Adenine Dinucleotide ( FADH2) NADH and FADH2 are major electron carriers in the oxidation of fuel molecules and for ATP generation....
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This note was uploaded on 02/13/2012 for the course CHM 3210 taught by Professor Kennell during the Fall '11 term at University of Florida.

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Lecture - Metabolic Pathways Overview of metabolism pathways Catabolism Anabolism Bioenergetics Important metabolic pathways Catabolism Glucose

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