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Curated by: Khan Academy India - English (3 videos)
How does a protein go from a folded chain to a fully functional biological machine? In Part 2, we dive deeper into the tertiary and quaternary levels of protein structure. Why do proteins fold like woolen balls? How do multiple subunits come together to form something as powerful as haemoglobin? This video answers it all, with visuals and clear explanations that make complex shapes make perfect sense. Unlock the secrets of how structure shapes function in every cell! 00:00 - Introduction 00:14 - Tertiary level of protein 00:37 - Secondary 3D Vs Tertiary 3D 01:21 - Why does protein fold? 02:11 - Hydrogen bond 02:51 - Ionic interaction 03:20 - Hydrophobic ieffect 04:09 - Vander Waal’s forces 04:50 - Disulfide linkage 05:06 - When all forces unite 05:40 - Denaturation 07:06 - Quaternary level of protein Khan Academy India is a nonprofit organization with the mission of providing a free, world-class education for anyone, anywhere. We have videos and exercises that have been translated into multiple Indian languages, and 15 million people around the globe learn on Khan Academy every month. Support Us: https://india.khanacademy.org/donate Created by Vandhana Ashok