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Transcript
بنام خدا LYSOSOMES - Surrounded by a single membrane. Derived (buds of) from Golgi apparatus. Contains degradative enzymes for digesting foreign bodies, cellular wastes and other toxins. PRIMARY LYSOSOME - is a membrane bounded sac that buds off from the GA apparatus SECONDARY LYSOSOME - is a primary lysosome that fuses/ phagocytosis with any solid material in the cell (e.g. organelle or bacteria) vesicles from ER vesicles leaving Golgi complex Golgi complex Lysosomes • Contain digestive enzymes • Break down old cell parts Cytoskeleton Functions • Support and shape cell • Anchor many organelles • Move substances from one part of the cell to another • Enable cell division • Enable cell movement CYTOSKELETON - A dynamic internal framework/ scaffolding FUNCTION; 1. Contributes to cell shape 2. Coordinates cytoplasm and its components (e.g. act in cell division, muscle movement) - Composed of 3 elements: 1. MICROTUBULES 2. MICROFILAMENTS 3. INTERMEDIATE FILAMENTS
