Cell: Structure and Functions : Basics (General Introduction) Lecture - 2

Basics (General Introduction) Lecture - 2

Explained: Biology Basics - discussed the foundation of upcoming topic Cytology.

Basics (General Introduction) Lecture - 1

Explained: Meaning & Significance of Biology, How life came on earth, How first organism formed, First sign of life, Features of living beings

Extra stroke lecture - 2 techniques to study a cell

Explained: Microspectrophotometry, X-ray crystallography, Autoradiography, Microscopy.

Extra stroke Lecture - 1 (Techniques to study a cell) Extra Stroke

Explained: Cyto-chemistry, Cell fractionation & Ultra-centrifugation, Chromatography.

Cell - The unit of life (Lecture - 27)

Explained: Microbodies, Peroxysome, Glyoxysome, Spherosome, Centrioles, Central vacuole, Cell sap

Cell - The unit of life (Lecture - 26)

Explained: Histone & Non-Histone Proteins, Chromosomal banding, FISH & McFISH, Nucleosomal model, Lampbrush Chromosome, Polytene Chromosome.

Cell - The unit of life (Lecture - 25)

Explained: Metaphasic chromosome, Chromatid, chromonemata & Chromomere, Telomere, Telomerase, Human karyotype, Karyotype & Ideogram, Significance of Karyotyping, Amniocentesis & Chorionic villi sampling, Heteropycnosis, Euchromatin vs. Heterochromatin, Types of Heterochromatin, Important points for AIIMS.

Cell - The unit of life (Lecture - 24)

Explained: Chromatin reticulum, Chromosomes, n, 2n & x, SAT chromosomes, Chromosome types, Kinetochores, Important points for AIIMS

Cell - The unit of life (Lecture - 23)

Explained : Details of Nucleus structure, Nuclear envelope, Nuclear pore complex, Nucleoplasm, Nucleolus, sat chromosomes, Important points for AIIMS

Cell - The unit of life (Lecture - 22)

Explained: Nucleus, Significance of nucleus, Karyoplasmic index, Why cell divides?, Shape of nucleus, The nucleus is physical basis of heredity, Nucleus & its components.

Cell - The unit of life (Lecture - 21)

Explained: Cytoskeletal, Microtubules, Microfilaments, Intermediate filaments, Functions of cytoskeleton, Cilia & Flagella, 9+ 2 axoneme.

Cell - The unit of life (Lecture - 20)

Explained: Ribosomes, Type of ribosomes, Details of ribosomes, rRNA & its types in ribosomes, Nucleolus & Ribosomal synthesis, Functions of Ribosomes, Overview of Translation.

Cell - The unit of life (Lecture - 19)

Explained: Endomembrane system, Lysosome, Types of Lysosomes, Importance of lysosomes, Functions of lysosomes, Vacuoles, Central vacuole & Contractile vacuole.

Cell - The unit of life (Lecture - 18)

Explained: Endomembrane system, Golgi body, Cisternae, Polarity in Golgi body, Dictyosome, Functions of Golgi complex, Acrosome

Cell - The unit of life (Lecture - 17)

Explained: Endomembrane system, Endoplasmic reticulum, Endoskeletal of cell, Functions of RER & SER.

Cell - The unit of life (Lecture - 16)

Explained: Plastids, Type of plastids, Chloroplast, Chromoplast, Leukoplast, Type of leukoplast, Details of Chloroplast, Functions of chloroplast, Overview of Photosynthesis

Cell - The unit of life (Lecture - 15)

Explained : Functions of Mitochondria Gateway reaction, ETS, ATP Synthetase, Chemiosmosis, Powerhouse of cell

Cell - The unit of life (Lecture - 14)

Explained: Semiautonomous cell organelles, Endosymbiotic theory, Mitochondria, Mitochondria structure

Cell - The unit of life (Lecture - 13)

Explained: Functions of the cell membrane, Transport across cell, Passive transport, facilitated diffusion, Active transport, Basics of Diffusion, Basics of osmosis, Bulk transport, exocytosis endocytosis, The membrane as a signal receiver.

Cell - The unit of life (Lecture - 12)

Explained: Models of Cell membrane, Butter sandwich model, Unit membrane concept, Faults in previous models, Most accepted model - Fluid mosaic model, Extra stroke points for AIIMS, Aquaporins.

Cell - The unit of life (Lecture - 11)

Explained: Sterol in membrane, Membrane fluidity regulation, Role of membrane fluidity in cell physiology,

Cell - The unit of life (Lecture - 10)

Explained: Details of cell membrane, Membrane proteins, Membrane lipids, Cholesterol.

Cell - The unit of life (Lecture - 9)

Explained: Cell membrane - Basics, Need of Membrane, How to study a membrane?, Composition of membrane, Glycoprotein & Glycolipids, MHC & Cell identification, Membrane nature

Cell - The unit of life (Lecture - 8)

Explained: Plasmodesmata, Desmotubules, Phragmoplast, cell plate, process of cytokinesis, Cell coat or glycocalyx, ECM (extracellular matrix), Plasma membrane basics.

Cell - The unit of life (Lecture - 7)

Explained: Cell wall, primary wall, secondary wall, tertiary wall, middle lamella, retting of fibers, lignification, primary and secondary deposition.

Cell - The unit of life (Lecture - 6)

Explained : Parts of cell - Protoplasm, Cytoplasm, Cytosol, Hyaloplasm, Organelles, Nucleus, Streaming movements - Rotation & Circulation, HeLa cells, Types of cells in multicellular organisms, Cell wall.

Cell - The unit of life (Lecture - 5)

Explained: Plant cell vs. Animal cell, Protoplasm, Compartmentalization

Cell - The unit of life (Lecture - 4)

Explained: More insight about Prokaryotic cell as per XI NCERT chapter - 8

Cell - The unit of life (Lecture - 3)

Explained: Fundamental differences between prokaryotic cells and Eukaryotic cells

Cell - The unit of life (Lecture - 2)

Explained : Surface - Volume ratio of cell & its significance, How large cells adapted to become more efficient, How the cells organised themselves against entropy, Why cells divide, Why active organs have smaller cells, Why is the cell is an open system, Cell size variations

Cell - The unit of life (Lecture - 1)

Explained: Discovery of Cell, Discovery of Living cell, Cell theory, Cell principle, Exceptions to cell theory, Cellular totipotency, applications of totipotency, Pasteur's experiment in support of Virchow

Biomolecules Lecture - 17 (Enzyme - 4) 11th NCERT

Explained: Variables affecting enzyme actions, Concept of Michalis Menten constant, Enzyme catalysed Rate of reaction and substrate concentration, Enzyme catalysed Rate of reaction and temperature, Effect of pH on enzyme catalysed reaction, Enzyme concentration and rate of reaction

Biomolecules (Lecture - 16 Assigned Task)

Explained: Biomolecules

Biomolecules Lecture - 16 (Enzyme - 3) 11th NCERT

Explained: Isozymes, Inducible enzymes, Repressible enzymes, Constitutive enzymes, Enzyme inhibition, Competitive inhibition, Non competitive inhibition, Feed back inhibition, Type of enzymes, Ribozymes & RNAase-P

Biomolecules Lecture - 15 (Enzyme - 2) 11th NCERT

Explained: Enzyme properties, Catalytic property, Turn over number, Active sites, Thermolabile nature, Why pH & temperature affect enzymes?, Lock & key Theory, Induced fit model

Biomolecules Lecture - 14 (Enzyme - 1) 11th NCERT

Explained: What are enzymes, Chronology on Enzymes, Enzyme features, Chemical nature of enzymes, Holo enzyme, Activator, Coenzymes

Biomolecules (Lecture - 13)

Explained: Metabolism & metabolic pathways, Living state, Steady state is non equilibrium state, Molecular meaning of life

Biomolecules (Lecture - 12)

Explained: DNA intramolecular details, Numericals on DNA

Biomolecules (Lecture - 11)

Explained: Nucleic acids, Bonding in nucleic acid, Double helical model of DNA, Properties of DNA, Molecular details of DNA, Chargaff's role

Biomolecules (Lecture - 10)

Explained: Types of proteins, Bonding in Polymers, Nucleic acids, DNA

Biomolecules (Lecture - 9)

Explained: Proteins, Protein structure, alpha helical protein, Beta linear proteins, Collagen helix, Tertiary structure of protein, Quaternary structure of protein

Biomolecules (Lecture - 8)

Explained: Food storage polysaccharides, Starch : Amylose & amylopectin, Glycogen, Structural polysaccharides, Cellulose, Chitin, Mucopolysaccharides, Inulin & GFR, Bonding in Polysaccharides

Biomolecules (Lecture - 7)

Explained: Special type of Nucleotides, cAMP, ATP, Polysaccharides

Biomolecules (Lecture - 6)

Explained: Pentose sugar, Nitrogen bases, Purine and Pyrimidines, Details of nitrogen bases, Nucleoside, Nucleotide, Bonding with in nucleotide & between nucleotides

Biomolecules (Lecture - 5)

Explained: Amino acids, Peptide bonds, Type of amino acids, Zwittor ion, Iso-electric pH

Biomolecules (Lecture - 4)

Explained: Lipids, Triglycerides, Fatty acids & types, Unsaturated vs. Saturated fatty acids, EFA (essential fatty acids), Sterols & significance, Prostaglandins

Biomolecules (Lecture - 3)

Explained: Monosaccharides & derivatives, Disaccharides & its constituents, Importance of different sugars, Structural & Bond details in sugar

Biomolecules (Lecture - 2)

Explained: Water properties, Life & water qualities, Ash analysis, Homeostasis, Molecules in cell, Carbohydrates, Bonding & life

Biomolecules (Lecture - 1)

Explained: Importance of Biological molecules, What is Biomolecules, Comparison between living & nonliving, Type of biomolecules, Important Nobel prize winners

Cell cycle and Cell division Lecture - 8

Explained: Metaphase I, Anaphase I, Telophase I, Interkinesis, Prophase II, Metaphase II, Anaphase II, Telophase II, Significance of meiosis

Cell cycle and Cell division Lecture - 7

Explained: Review of Leptotene & zygotene, Pachytene, Crossing over, Diplotene, Chiasmata, Diakinesis, Terminalization.

Cell cycle and Cell division Lecture - 6

Explained: Meiosis and continuous variation, mitosis vs. meiosis, Brief outline of meiosis, meiosis I, Prophase I, Leptotene, Zygotene

Cell cycle and Cell division Lecture - 5

Explained: Cytokinesis, Cell furrow & Cell plate method, Mitosis - C & Colchicine, Mitosis & Cancer

Cell cycle and Cell division Lecture - 4

Explained : Metaphase, Anaphase, Telophase, Significance of mitosis

Cell cycle and Cell division Lecture - 3

Explained: M Phase, Mitosis, Prophase, Prometaphase, Spireme stage, Chromosome changes & Spirilization, Nuclear spindle apparatus

Cell cycle and Cell division Lecture - 2

Explained: Interphase, G1 Phase, S Phase, G2 Phase, Mitotic Phase, Cell Cycle molecular level, Guardian of genome

Cell cycle and Cell division Lecture - 1

Explained: The concept of Cell cycle, Cell cycle & its Phases, Interphase & M Phase, The need for Cell cycle.