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Biochemistry

Objectives of the course

At the end of the course, the student should be able to demonstrate the knowledge and understanding on the:

    Molecular components of cells, including the structures and functions of amino acids, proteins, carbohydrates, lipids and nucleic acids;

    Enzymes, including the kinetics and specificity, the mechanisms of catalytic action; regulation of enzymatic activity, vitamins and cofactors of enzyme;

    Metabolism and regulations, including glycolysis, TCA cycle, electron transport and oxidative phosphorylation, gluconeogenesis, glycogen metabolism and pentose phosphate pathway, fatty acid catabolism and lipid biosynthesis, amino acid metabolism and synthesis and degradation of nucleotides;

    Integration of the major nutrients metabolism and regulations, and clinical significance on relative metabolic disorders;

    Principles of major laboratory investigations and instrumentation, analysis and interpretation of a given data, and ability to suggest experiments to support theoretical concepts and clinical diagnosis.

More detail knowledge and contents are including:

Part I Molecular Components of Cells

    Introduction of Biochemistry

    The story about evolution of organisms during the development of solar system

    The composition of the biochemical system: structures and functions of biomolecules, metabolism of biomolecules and regulations, and genetic information transfer.

    Chemistry is the Logic of Biological Phenomena

    The distinctive properties of living systems and biomolecules

    Review weak chemical forces.

    Water: The Medium of Life

    Properties of water

    pH of solution and buffer

    Thermodynamics of Biological Systems

    The basic concepts of thermodynamics

    The characteristics of high-energy biomolecules

    The complex equilibria involved in ATP hydrolysis

    Amino Acids

    Structure and properties of amino acids

    The acid-base properties of amino acids

    The reactions amino acids undergo

    The separation and analysis amino acids mixtures

    proteins: primary structures

    The fundamental structural patterns in proteins

    Basic classes of proteins

    Proteins structure described in terms of four levels of organization

    Protein’s conformation and conformational change

    Analysis of the primary structure of a proteins and Edman degradation

    proteins techniques: isolation and purification of proteins from cells

    Estimation of Protein concentration

    Protein Techniques: dialysis, ultrafiltration, size exclusion chromatography, electrophoresis and 2D-electrophoresis, ultracentrifugation.

    Proteins: secondary, tertiary, and quaternary structure

    The noncovalent interactions that dictate and stabilize protein structure

    Role of the amino acid sequence play in protein structure

    The elements of secondary structure in proteins

    Polypeptide folding into three-dimensional protein structures

    Subunits interaction at the quaternary structure of protein

    Carbohydrates and the Glycoconjugates of Cell Surfaces

    Carbohydrates named

    The structures and chemistry of monosaccharides, oligosaccharides, and polysaccharides

    The structures and functions of glycoproteins and proteoglycans in cells.

    Lipids

    The structure and chemistry of fatty acids

    the structure and chemistry of triacylglycerols

    Structure and chemistry of glycerophospholipids and sphingolipids

    The structure and function of steroids

    Nucleotides and Nucleic Acids

    The structures of the nucleotides

    The structures and functions of the nucleic acids

    Nucleic acids hydrolysis

Part II Enzymes

    Enzymes—Kinetics and specificity

    The characteristic features of enzymes

    Equations of the kinetics of enzyme catalyzed reactions

    The inhibitions of enzyme activity

    Ribozymes

    Mechanisms of enzyme action and enzyme regulation

    Factors influenced enzymatic activity

    Isozymes and clinical significance

    The General features of allosteric regulation

    Covalent modification of enzymes

    Vitamins and cofactors of enzymes

Part III Metabolism and Regulations

    Metabolism—An overview

    The Metabolic Map

    Enzyme organization in metabolic pathways

    Glycolysis

    The essential features of glycolysis

    Chemical principles and features of two phases of glycolysis

    Metabolic fates of NADH and pyruvate produced in glycolysis

    Tricarboxylic acid cycle

    Steps of TCA cycle (Krebs cycle)

    Pyruvate decarboxylation system

    CO2 formation in TCA cycle

    Energetic consequences of TCA cycle

    TCA cycle provide intermediates for biosynthesis

    Electron transport and Oxidative phosphorylation

    Structure features of mitochondria

    Electron-transfer chain organization

    Proton graduate formation by electron-transfer

    The mechanism of ATP formation driven by Proton graduate

    Gluconeogenesis, glucogen metabolism and Pentose phosphate pathway

    The pathway of Gluconeogenesis

    Regulation of gluconeogenesis

    Glycogen and starch catabolism and

    Regulation of glycogen metabolism

    The regulation of gluconeogenesis

    Pentose phosphate pathway

    Consequence of pentose phosphate pathways

    Fatty acid catabolism

    Digestion and absorption of dietary fats

    Mobilization of fatty acids from adipose cells

    β-oxidation of fatty acids

    Formation and consequence of ketone bodies

    Lipid Biosynthesis

    Synthesis of fatty acids

    Synthesis of lipid complex

    Synthesis of cholesterol

    Lipids transfer throughout the body

    Synthesis of bile acids

    Nitrogen Acquisition and amino acid metabolism

    Metabolic pathways of organisms to live on inorganic forms of nitrogen

    Metabolic fate of ammonium

    Deamination of amino acids

    Urea Biosynthesis--ornithine cycle

    Ccatabolism of special amino acids

    One Carbon Units

    The synthesis and degradation of nucleotides

    Synthesis of purine nucleotides

    Degradation of purine nucleotides

    Synthesis of pyrimidine nucleotides

    Degradation of pyrimidine nucleotides

    Integration of the major metabolisms

The major linkages of intermediates of TCA cycle and other metabolic pathways

Part IV Experiments and Laboratory Practise

    Experiment 1. Basic Training and Test of Protein pI

    Intriducing the usage of pipettes (glass pipette and syringe pipette) and training.

    Centifugation techniqe and cautions of application.

    Intriducing biochemical experimental safeties.

    Measurement of the isoeclectric point (pI) of casein.

    Experiment 2. Cellulose Acetate Membrane Electrophoresis of Serum proteins

      Electrophoresis techniqe and application

      Detection of Serum proteins by Cellulose Acetate Membrane Electrophoresis

      Clinical significance of the Detection of Serum proteins

    Experiment 3. Blood Glucose Determination with o-Toludine Method

      The application of spectrophotometer

      Detection of Blood Glucose by o-Toludine Method

      Clinical significance of the detection of Blood Glucose

    Experiment 4. Determining Activity of Alanine aminotransferase (ALT) with Reitman-Frankel Method

      Method of dection of enzyme activities

      Determining Activity of Alanine aminotransferase (ALT) with Reitman-Frankel Method

      Clinical significance of the detection of serum activity of ALT

    Experiment 5. Detection of Triglyceride in Serum with the Colorimetric Method

      Determining Activity of serum TG with colorimetric method.

      Clinical significance of the detection of blood lipids