Plant cell क्या है? | संरचना और कार्य | Plant Cell Model कैसे बनाना है? Basic Science Series Hindi

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  • เผยแพร่เมื่อ 23 ก.ย. 2024
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    Plant cell structure:
    Cell wall:
    -Rigid cell wall,
    -complex structure,
    -protecting the cell,
    -regulating the life cycle,
    -absent in animals,
    - may depend on cell type and developmental stage,
    - cellulose, hemicelluloses, and pectin,
    -lignin, suberin or cutin,
    Cell Membrane
    -The plasma membrane,
    -separates the interior from the outside environment
    -semipermeable
    -transport of material
    -Membrane proteins
    -lipid bilayer
    -Phospholipid: Hydrophobic and hydrophilic end
    Cytoplasm
    - material within a cell,
    - Nucleoplasm,
    - Cytosol + organelles
    -80% water and usually colorless
    Nucleus
    -membrane-bound organelle,
    -RBCs (No nucleus)
    -osteoclasts (Many)
    -cell's genome except mitochondrial DNA,
    -DNA + histone = Chromosomes
    Nucleolus
    -ribosome biogenesis.
    -signal recognition particles (stress response),
    -nucleolopathies,
    -cancer chemotherapy,
    Endoplasmic
    Reticulum
    ER are continuous with the outer nuclear membrane
    Not in red blood cells, or spermatozoa
    lipids and cholesterol
    protein synthesis.
    Chloroplast
    Photosynthesis
    chlorophyll captures the energy from sunlight,
    energy-storage molecules ATP and NADPH while freeing oxygen from water,
    Mitochondria
    -generate most of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy,
    Powerhouse,
    double-membrane-bound organelle,
    Liver cells can have more than 2000,
    Vacuole
    -Containing water in plant cells
    -hydrostatic pressure or turgor within the cell
    -Vacuole types
    -Gas Vacuoles
    -Central Vacuoles
    -Contractile Vacuoles
    -Food Vacuoles
    -80 percent or more
    -plant wastes
    -stores salts, minerals, nutrients, proteins, pigments, helps in plant growth
    Golgi apparatus
    Golgi complex,
    Proteins into membrane-bound vesicles
    Peroxisome
    membrane-bound organelle
    oxidative organelles
    hydrogen peroxide (H2O2)
    scavenging activities,
    Ribosome
    Complex cellular structures
    ribosomal RNA (rRNA) and protein
    protein synthesis
    many subunits.
    Amyloplast
    -store starch within
    -double-enveloped organelles
    -involved in various biological pathways.
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    Disclaimer: The information provided is for educational purposes only.
    Disclaimer: The information provided is for educational purposes only. We hold no responsibility for any issue, concerns, or damage arising from the content of our video.

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