Formation of Human Insulin in Bacteria | Biotechnology Ch 20 | Class 12 New Book 2026 | FSC & MDCAT

🧬 Formation of Human Insulin in Bacteria | Chapter 20 Biotechnology | Class 12 Biology New Book 2026 Welcome to DNA Decode with IJAZ! In this lecture, we explain the formation of human insulin in bacteria in a simple, step-by-step way according to the Class 12 Biology New Book 2026. This topic is important for FSC Part 2 Biology, board examinations, and MDCAT preparation. 📚 Topics Covered in This Lecture: ✅ Introduction to human insulin production ✅ Preparation of two insulin genes: Chain A and Chain B ✅ Construction of recombinant plasmids ✅ Transformation of host cells using E. coli ✅ Fermentation and protein expression ✅ Extraction and purification of insulin chains ✅ Chemical joining of Chain A and Chain B ✅ Formation of functional human insulin ⏱️ VIDEO TIMESTAMPS 00:00 – Introduction to Human Insulin Production 01:15 – Natural Human Insulin and Its Structure 02:30 – Preparation of Insulin Genes (Chain A and B) 04:15 – Construction of Recombinant Plasmids 06:20 – Transformation of Host Cells 08:15 – Fermentation and Protein Expression 10:20 – Extraction and Purification of Insulin Chains 12:15 – Chemical Joining of Chain A and Chain B 14:20 – Formation of Functional Human Insulin 15:30 – Diagram Explanation and Quick Revision 16:20 – End of Lecture 📖 COURSE DETAILS Subject: Biology Class: 12 / FSC Part 2 Chapter 20: Biotechnology Book: New Book 2026 Topic: Formation of Human Insulin in Bacteria 🎯 WHO SHOULD WATCH? • FSC Part 2 Biology students • Class 12 board examination candidates • MDCAT and medical entry test aspirants • Students revising biotechnology and genetic engineering 💡 Why is this topic important? Recombinant DNA technology enables bacteria to produce human insulin for medical use. Understanding the process helps you learn genetic engineering, recombinant plasmids, gene expression, and the production of therapeutic proteins. 📌 If you find this lecture helpful: 👍 Like this video 💬 Comment your questions below 🔔 Subscribe to DNA Decode with IJAZ for more Biology lectures, easy notes, diagrams, and MDCAT preparation. 📚 Study Biology with concepts, not just memorization! #DNADecodeWithIJAZ #Biotechnology #HumanInsulin #Class12Biology #FSCPart2 #MDCAT #GeneticEngineering #NewBook2026