Скачать или смотреть Restriction Enzymes | Class 12 + NEET 2026 Biology Preparation with Bharti Ma'am!

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. Bharti Mam explains the concept of restriction enzymes from Class 12 Biology Chapter Biotechnology: Principles and Processes, helpful for NEET 2026. She covers how these enzymes act as molecular scissors, cleaving DNA at specific palindromic sequences, and the difference between exonucleases and endonucleases. Sticky ends and blunt ends are clearly explained with examples and diagrams, along with the naming (nomenclature) of restriction enzymes. She also introduces molecular tools like DNA ligase (molecular glue) and alkaline phosphatase
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⏰ 𝐓𝐢𝐦𝐞𝐬𝐭𝐚𝐦𝐩𝐬:-
00:00 - Introduction to Biotechnology Tools
01:20 - Restriction Enzymes: The Molecular Scissors
03:48 - Recognition Sites & Palindromic Sequences
06:16 - Discovery of Restriction Enzymes
09:44 - Types: Exonucleases vs. Endonucleases
11:35 - Sticky Ends vs. Blunt Ends
18:05 - Nomenclature of Restriction Enzymes
23:55 - Why Use the Same Restriction Enzyme?
26:33 - DNA Ligase: The Molecular Glue
28:07 - Alkaline Phosphatase: Preventing Self-Ligation
30:30 - Chapter Importance for NEET & Boards
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