Cytoskeleton in हिन्दी | Structure, Functions & Types | B.Sc. Zoology

Hello everyone, and welcome back to Zoology with Chinu! In this detailed lecture, we cover the essential topic of the Cytoskeleton, a core concept for B.Sc. Zoology, M.Sc. Zoology, and all Cell Biology exams. The cytoskeleton is the dynamic internal network that provides shape, support, and movement to the eukaryotic cell, acting like its "skeleton and muscles." ---------------------------------------------------------- 0:00 Introduction: Cytoskeleton for B.Sc. Zoology 0:09 What is the Cytoskeleton? (Definition and Role) 2:02 Classification: Three Major Types of Cytoskeleton 2:09 1. Intermediate Filaments (IF): Structure and Types (Keratin, Vimentin) 4:25 Intermediate Filaments: Function (Tensile Strength & Nuclear Lamina) 5:44 2. Microtubules (MT): Structure, Assembly, and Tubulin 7:58 Microtubules: Functions (Spindle Fibers, Transport, Centrioles) 9:10 Cilia and Flagella Structure (9+2 Array) Explained 11:21 3. Microfilaments / Actin Filaments: Structure and Assembly 13:08 Microfilaments: Functions (Amoeboid Movement, Muscle Contraction, Cytokinesis) 14:05 Detailed Comparison: Microtubules, Microfilaments, and Intermediate Filaments 19:28 B.Sc. Exam Summary & Conclusion ---------------------------------------------------------- What You Will Learn in This Video: What is the Cytoskeleton? (0:09) Definition and its role in providing shape, support, and movement. The Three Major Types of Cytoskeleton (2:02) – A clear classification with diagrams: 1. Intermediate Filaments (2:06) Structure: Rope-like tetramers formed by antiparallel dimers. Proteins: Keratin, Vimentin, Desmin, Laminin, Neurofilaments (2:28). Functions: Provide tensile strength, anchor organelles, form the nuclear lamina, and support cell junctions (4:28). 2. Microtubules (5:45) Structure: Hollow tubes made of α-tubulin + β-tubulin dimers (6:01). Formed by 13 protofilaments. Functions: Give cell shape, form spindle fibers during cell division, and are the structural parts of cilia, flagella, and centrioles (8:00). Motor Proteins: Act as "tracks" for transport with Kinesin and Dynein motors (8:43). Cilia & Flagella Structure (9+2 Array): Detailed explanation and diagram (9:12). 3. Microfilaments (Actin Filaments) (11:22) Structure: Thinnest filaments, made of G-Actin monomers forming F-Actin helical strands. Functions: Essential for cell movement (amoeboid movement, crawling), muscle contraction (with Myosin), cytokinesis (cleavage furrow), and forming microvilli for absorption (13:05). 4. Detailed Comparison Table (14:05) A point-by-point comparison of all three filaments – diameter, protein, structure, dynamics, and function. ---------------------------------------------------------- This video is perfect for preparing for university exams and competitive exams. Don’t forget to draw the neat and accessible diagrams explained in the video! ---------------------------------------------------------- 👍 Like, Share, and Subscribe! ---------------------------------------------------------- cytoskeleton explained for bsc zoology students, cytoskeleton lecture with diagram, cytoskeleton structure and functions explained in hindi english, types of cytoskeleton with examples, cytoskeleton detailed explanation for msc zoology, cytoskeleton intermediate filaments microtubules microfilaments, cytoskeleton for cell biology exams, cytoskeleton structure and functions class 11 12 zoology, difference between microtubules microfilaments and intermediate filaments, cytoskeleton explained with diagram for university exams, cytoskeleton lecture for csir net zoology, cytoskeleton and motor proteins explained, cytoskeleton easy explanation with notes, cytoskeleton complete lecture with comparison table, cytoskeleton functions with examples for competitive exams, cytoskeleton bsc 1st year cell biology, cytoskeleton structure explained with animation and diagrams, cytoskeleton zoology with chinu lecture