Complete Biochemistry Metabolism Notes: Carbohydrates, Glycolysis, TCA Cycle, ETC, Glycogen & Enzymes Simplified

Complete Biochemistry Metabolism Notes

Master the most important concepts of biochemistry with these structured, exam-focused notes designed for quick learning and efficient revision.

These notes simplify complex metabolic pathways using concise explanations, diagrams, flowcharts, and high-yield concepts frequently asked in university and competitive examinations.

Topics Included

Carbohydrate Chemistry

• Classification of carbohydrates

• Monosaccharides

• Disaccharides

• Polysaccharides

• Glycogen

• Starch

• Cellulose

• Dextrins

• Inulin

• Dextrans

• Agar

• Mucopolysaccharides

• Proteoglycans

Carbohydrate Metabolism

• Digestion and absorption

• Glucose utilization

• Energy production pathways

• Metabolic regulation

Glycolysis (Embden-Meyerhof Pathway)

• Complete pathway

• Key enzymes

• Regulatory steps

• ATP generation

• Aerobic glycolysis

• Anaerobic glycolysis

• Cori Cycle

Pyruvate Metabolism

• Pyruvate dehydrogenase complex

• Acetyl-CoA formation

• Regulation and cofactors

Krebs Cycle (TCA Cycle)

• Complete pathway

• Energy production

• Intermediates

• Clinical significance

• Amphibolic functions

• Electron Transport Chain (ETC)

  • Complex I–V

  • Oxidative phosphorylation

  • ATP synthesis

  • Proton gradient

  • ATP yield calculations

  Glycogenesis

  • Glycogen synthesis

  • Regulation

  • Physiological importance

  Glycogenolysis

  • Glycogen breakdown

  • Rate-limiting enzymes

  • Hormonal control

  Pentose Phosphate Pathway (PPP)

  • Oxidative phase

  • Non-oxidative phase

  • NADPH generation

  • Ribose synthesis

  • Clinical relevance

  • Uronic Acid Pathway

    • Glucuronic acid synthesis

    • Detoxification reactions

    • Clinical importance

    Gluconeogenesis

    • Formation of glucose from non-carbohydrate sources

    • Major substrates

    • Regulatory enzymes

    • Physiological significance

    Integration of Metabolism

    • Carbohydrate metabolism

    • Lipid metabolism

    • Protein metabolism

    • Disorders of Carbohydrate Metabolism

      • Diabetes Mellitus

      • Hyperinsulinism

      • Hypoglycemia

      • Glycogen Storage Diseases

      Enzymes

      • Structure and classification

      • Enzyme specificity

      • Catalytic mechanisms

      • Clinical importance

      • Diagnostic applications