Schema des cellule
Biology
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Schéma de cellule (Cell diagram) refers to a visual representation of a cell, illustrating its various components and their relative positions.
Here are the key parts typically shown in a diagramme de cellule (cell diagram), particularly for an animal cell:
- Membrane plasmique (Plasma Membrane): The outer boundary of the cell, controlling what enters and leaves.
- Cytoplasme (Cytoplasm): The jelly-like substance filling the cell, enclosing the organelles.
- Noyau (Nucleus): Contains the cell's genetic material (DNA) and controls cell activities.
- Mitochondries (Mitochondria): The "powerhouses" of the cell, responsible for energy production.
- Réticulum endoplasmique (Endoplasmic Reticulum): A network of membranes involved in protein and lipid synthesis.
- Appareil de Golgi (Golgi Apparatus): Modifies, sorts, and packages proteins and lipids.
- Ribosomes: Sites of protein synthesis.
- Lysosomes: Contain digestive enzymes to break down waste materials.
- Vacuoles: Membrane-bound sacs that can have various functions, including storage.
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