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Course Detail

Course Name Microbial Physiology and Metabolism
Course Code MIC 214
Program BSc. in Microbiology
Semester Four
Credits Four
Year Taught 2019



Chapter 1: Bioenergetics:. Gibbs free energy, endergonic & exergonic reactions,. Standard state free energy changes-DG, DG0 and DG’0, Relationship between equilibrium constant and DG’o, Feasibility of reactions. Simple problems, ATP-Structure, properties and energy currency of the cell, Importance of Coupled reactions, High energy compounds, simple problems. Introduction to Metabolism – Catabolism, anabolism, catabolic, anabolic and amphibolic pathways


Chapter 2: Carbohydrate Metabolism: Introduction, Aerobic and anaerobic pathways: Glycolysis and its regulation ,  Gluconeogenesis and its regulation.TCA cycle, amphibolic & anaplerotic reactions. Electron Transport chain, Oxidative phosphorylation, & production of ATP, balance sheet of glucose oxidation, Oxidative stress.,  Pentose phosphate pathway (HMP shunt) Photosynthesis – ‘light’ and ‘dark’ reactions


Chapter 3: Lipid Metabolism: Beta – oxidations of saturated fatty acids. Ketone bodies, production during starving and diabetes Biosynthesis of fatty acids – Acetyl-CoA carboxylase reaction, Fatty acid synthase complex, biosynthesis of palmitate, energetics, Regulation of fatty acid biosynthesis. Biosynthesis of cholesterol, regulation.


Chapter 4: Amino Acid/ Nucleic Acid Metabolism: Biodegradation of amino acids – deamination, transamination, decarboxylation, urea cycle including its regulation. Biosynthesis of amino acids, Disorders of amino acid metabolism (phenylketonuria, alkaptonuria, Biologically active amines Recycling of Purine and Pyrimidine nucleotides by salvage pathways. Lesch-Nyhan syndrome & Gout.

Text Books


  1. Lehninger, Nelson and Cox, Principles of Biochemistry, 4th Edition, W.H.Freeman & Company, 2004. (T1)
  2. Voet & Voet, Fundamentals of Biochemistry, Upgrade Edition, Wiley, 2002.

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