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Biochemistry-I: Course content (MLBC-513)

Course description

COURSE DESCRIPTION

This course provides the knowledge and skills in fundamental organic chemistry and introductory biochemistry that are essential for further studies. It covers introduction to the biomolecules i.e. amino acid, proteins carbohydrates, fats, enzymes and nucleic acids. The nutritional biochemistry concludes the course

Course description

Biochemistry

  • Introduction to Biochemistry
  • Importance of Biochemistry for Medical Lab Technologist

Cell

  • Cell: Structure, function and types of cell (Biochemical Aspects)
  • Cell Membrane Structure and function
  • Cytoplasm and cytoplasmic organelles
  • Cell Receptors & Signal Molecules

Body Fluids

  • Structure and properties of Water
  • Acids, Bases and Salts
  • Concept of pH & pK
  • Buffers, their mechanism of action
  • Body buffers

Biomolecules

  • Define biomolecules.
  • Types and importance of biomolecules

Proteins Biochemistry

  • Amino acids occurring in protein molecules:
  • Standard amino acids and their classification
  • Non-standard amino acids and their importance
  • Peptide bonds and their properties
  • Protein classification: Simple, Conjugated and Derived proteins
  • Proteins three dimensional Structure and their properties
  • Primary, Secondary, Tertiary & Quaternary Structures of Proteins
  • Sanger’s, Edman’s and DNA sequencing methods
  • Laboratory methods for protein detection and isolation
  • Electrophoresis, Isoelectric focusing, Chromatography, ELISA

Enzymes

  • Introduction and properties of Enzymes
  • Mechanism of action of enzymes in reaction
  • Chemical nature of enzymes
  • Co-enzymes and their actions
  • Classification of enzymes
  • Enzymes kinematics: MM equation and Line Weaver-Burke Plot
  • Factors affecting enzyme activity
  • Regulation & Inhibition of Enzyme activity & enzymes inhibitors
  • Clinical Diagnostic Enzymology
  • Special diagnostic tests using enzymes
  • Enzymes, enzyme inhibitors, enzymes activator, enzymes inducers as medicines
  • Disease caused by enzyme deficiency

Course description

Carbohydrates

  • Definition, Classification, Biochemical Functions & Significance of Carbohydrates
  • Structure & Properties of Monosaccharaides
  • Isomerism, optical isomerism and Chirality in monosaccharaides
  • Chemical properties of monosaccharaides
  • Structure & Properties of Disaccharides
  • Structure & Properties of Polysaccharides
  • Heteropolysaccharides: GAGs, Glycoconjugates and mucilages

Lipids

  • Classification of Lipids
  • Fatty Acids: Chemistry
  • Classification occurrence & Function
  • Structure & Properties of Simple Lipids
  • Waxes and their importance
  • Structure & Properties of Triacylglycerols
  • Structure & Properties of Compound or Complex Lipids
  • Steroids and sterols
  • Terpenes
  • Cholesterol: Chemistry, Functions & Clinical Significance

Vitamins

  • Sources, RDA, Biochemical Functions & Clinical Significance of Fat Soluble Vitamins
  • Sources, RDA, Biochemical Functions & Clinical Significance of Water Soluble
  • Vitamins.

Practicals

  • Preparation of solutions routinely used in biochemical experiments (e.g., percent, normal and molar solutions)
  • pH determination using various methods
  • Quantitative analysis of carbohydrates in unknown samples
  • Extraction of starch from plant sources and its confirmative tests
  • Quantitative analysis of lipids and fatty acids in unknown samples
  • Extraction of lipids from animal and plant sources
  • Quantitative analysis of Proteins in unknown samples
  • Extraction of Proteins from animal and plant sources
  • Determination of total proteins by using different methods (Bradford, lowery and biuret methods)
  • Qualitative tests of proteins & amino acids: Biuret Test; Ninhydrin Test; Xanthoproteic Test; Pauly’s Test; Hoplein’s Test; Ehrich’s Test; Sakaguchi Test; Sodium nitroprusside Test; Sullivan Test; sulphate Test Phosphate Test; Aldehyde Test;

Recommended Books

Learning objectives

  • Describe cell and body fluids in the context of chemistry and human biochemistry
  • Discuss the properties, classification and functions of biomolecules with emphasis on amino acid, peptides, proteins, enzymes, carbohydrates, lipids and nucleic acid
  • Explain importance of nutritional biochemistry with emphasis on minerals, trace elements, vitamins and balance diet