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MICROBIAL METABOLISM. PowerPoint PPT Presentation


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MICROBIAL METABOLISM. Catabolic And Anabolic Reactions. ENZYMES. Enzymes. Introduction: Catalytic Activity. Naming Enzymes: 6 Classes. Enzyme Components:Apoenzyme, Cofactor, Holoenzyme, Coenzyme.

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MICROBIAL METABOLISM.

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Microbial metabolism l.jpg

MICROBIAL METABOLISM.

Catabolic And Anabolic Reactions.


Enzymes l.jpg

ENZYMES.

  • Enzymes.

  • Introduction: Catalytic Activity.

  • Naming Enzymes: 6 Classes.

  • Enzyme Components:Apoenzyme, Cofactor, Holoenzyme, Coenzyme.

  • Coenzymes: Derivatives of vitamins- NAD+(Catabolic Rxns), NADP+(Anabolic Rxns),FMN, FAD(Electron carriers), COA


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FACTORS AFFECTING ENZYME ACTIVITY.

  • Temperature.

  • pH.

  • Substrate Concentration.

  • Competitive Inhibitors.

  • Non-Competitive Inhibitors.

  • Feedback Inhibition.


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ENERGY PRODUCTION.

  • Oxidation-Reduction Reactions.

  • Substrate-Level Phosphorylation.

  • Oxidative phosphorylation.

  • Photophosphorylation.

  • Chemiosmotic Mechanism of ATP Generation.


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CARBOHYDRATE CATABOLISM.

  • Glycolysis: Embden-Mayerhoff Pathway.

  • The Krebs cycle: TCA, Citric Cycle.

  • The Electron transport chain.


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THE ELECTRON TRANSPORT CHAIN.

  • Oxidative Phosphorylation.

  • Steps of The Electron Transport Chain.


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GLYCOLYSIS.

  • Splitting of Sugar.

  • Oxidation of glucose to pyruvic acid with the production of some ATP and energy containing NADH.

  • Preparotory stage.

  • Energy-conserving stage.

  • Substrate-Level Phosphorylation.


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ALTERNATIVES TO GLYCOLYSIS.

  • Pentose Phosphate Pathway: Hexose Monophosphate Shunt.

  • Entner-Doudoroff Pathway.


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THE KREBS CYCLE.

  • Decarboxylation.

  • Carbon Dioxide production.

  • Steps of Krebs Cycle.

  • End Products of Krebs Cycle.

  • Substrate-Level Phosphorylation.


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DEFINITION OF RESPIRATION

  • Aerobic respiration.

  • Anaerobic respiration: Fermentation-Lactic Acid fermentation, Alcohol fermentation.


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ANAEROBIC RESPIRATION.

  • Introduction.

  • Fermentation.

  • Lactic Acid Fermentation.

  • Alcohol Fermentation.


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Catabolism of other macromolecules.

  • Lipid Catabolism.

  • Protein Catabolism.


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Biochemical Pathways Of Energy Use- Anabolism.

  • Biosynthesis of Polysaccharides.

  • Biosynthesis of Lipids.

  • Biosynthesis of Amino Acids and Proteins.

  • Biosynthesis of Purines and Pyrimidines.


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PHOTOSYNTHESIS.

  • The Light Reactions: Photophosphorylation.

  • The Dark Reactions: Calvin-Benson Cycle.


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Nutritional Patterns Among Organisms.

  • Photoautotrophs.

  • Photoheterotrophs.

  • Chemoautotrophs.

  • Chemoheterotrophs.


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