DNA Replication Explained | Biotechnology | Video 3 | Khan Children Academy
Автор: Khan Children Academy
Загружено: 2026-01-23
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Assalam-o-Alaikum doston! 🌱🔬
Welcome to Video 3 of our Biotechnology series.
In this video, we dive into DNA Replication – the amazing process by which DNA makes an exact copy of itself before a cell divides. Learn step-by-step:
• How helicase unzips the DNA double helix
• The role of leading and lagging strands
• How DNA polymerase adds new bases (A-T, G-C pairing)
• Proofreading and final joining for identical copies
Perfect for Sindh Board students preparing for exams!
Previous Videos:
Video 1: Introduction to Biotechnology
Video 2: DNA, Gene & Chromosomes
Next Video: Bacteria & Genetic Modification
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