Class 9 Chemistry | Biochemistry Explained – Carbohydrates, Proteins, Fats, Enzymes & Nucleic Acids | STEMBridge Learning

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🔬 About This Lesson

This lecture focuses on Biochemistry — an important chapter in Class 9 Chemistry. It explores the chemical composition of living organisms, including carbohydrates, proteins, fats, enzymes, and nucleic acids. Learn how biological molecules function and why chemistry is essential to understanding life processes.

🎥 Watch now: Class 9 Chemistry | Biochemistry | STEMBridge Learning


📘 Lesson Details

  • Subject: Chemistry
  • Chapter: Biochemistry
  • Level: Class 9 (FBISE / Matric / O-Level Equivalent)
  • Topic: Biological Molecules, Enzymes, and Chemical Composition of Living Organisms
  • Platform: STEMBridge YouTube Channel

🧠 What You Will Learn

  • The meaning and importance of biochemistry
  • The role of elements like carbon, hydrogen, oxygen, and nitrogen
  • Structure and function of carbohydrates, proteins, and fats
  • Introduction to enzymes and nucleic acids (DNA, RNA)
  • Difference between organic and inorganic compounds in cells

Each concept is explained in simple language with real-life examples, ensuring every student can grasp the basics easily.


⚗️ Why This Topic Matters

Biochemistry is where Chemistry meets Biology — it helps you understand how chemical reactions sustain life.

  • Explain metabolism and energy flow
  • Understand nutrition and digestion at molecular level
  • Recognize how enzymes speed up biochemical reactions
  • Build a foundation for biotechnology and cell biology

🎓 Exam-Focused Insights

  • Difference between monomers and polymers
  • Functions of enzymes and examples of carbohydrates
  • Understand hydrolysis and condensation reactions
  • Focus on tables and diagrams in the book

💡 Tip: Revise key definitions and memorize molecular formulas for full marks!


📺 Watch the Full Lecture

🎥 Watch here: Class 9 Chemistry | Biochemistry | Explained by STEMBridge


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