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Cell Organelles: Structure, Location, and Function

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Termini in questo insieme (17)

  • Nucleus

    Found in: Eukaryotic cells

    Structure: Contains chromatin and nucleolus

    Function: Stores DNA and controls cell activities

  • Ribosome

    Found in: All cells (prokaryotic and eukaryotic)

    Structure: Made of rRNA and proteins, two subunits

    Function: Protein synthesis

  • Rough Endoplasmic Reticulum (Rough ER)

    Found in: Eukaryotic cells

    Structure: Network of flattened sacs with ribosomes

    Function: Protein synthesis and processing

  • Smooth Endoplasmic Reticulum (Smooth ER)

    Found in: Eukaryotic cells

    Structure: Network of tubules

    Function: Lipid synthesis and detoxification

  • Golgi Apparatus

    Found in: Eukaryotic cells

    Structure: Stacks of flattened membranous sacs

    Function: Modifies, sorts, and packages proteins and lipids

  • Lysosome

    Found in: Animal cells

    Structure: Vesicles containing digestive enzymes

    Function: Digests macromolecules and old organelles

  • Plasma Membrane

    Found in: All cells

    Structure: Fluid mosaic model, phospholipid bilayer with proteins

    Function: Controls entry and exit of substances

  • Transport Vesicles

    Found in: Eukaryotic cells

    Structure: Small membrane-bound sacs

    Function: Transport materials between organelles

  • Cell Wall

    Found in: Plant cells, fungi, and some prokaryotes

    Structure: Made of cellulose in plants

    Function: Provides support and protection

  • Chloroplast

    Found in: Plant cells and some protists

    Structure: Contains thylakoids and stroma

    Function: Photosynthesis

  • Plastid

    Found in: Plant cells

    Structure: Includes chloroplasts, chromoplasts, leucoplasts

    Function: Storage and synthesis of compounds

  • Mitochondria

    Found in: Eukaryotic cells

    Structure: Inner membrane folds called cristae

    Function: Produces ATP via cellular respiration

  • Cytoplasm

    Found in: All cells

    Structure: Gel-like fluid with organelles suspended

    Function: Site of metabolic reactions

  • Vacuole

    Found in: Plant cells (large central), some animal cells (small)

    Structure: Fluid-filled sac

    Function: Storage, waste disposal, and maintaining turgor pressure

  • Peroxisomes

    Found in: Eukaryotic cells

    Structure: Small vesicles with enzymes

    Function: Break down fatty acids and detoxify harmful substances

  • Microtubules

    Found in: Eukaryotic cells

    Structure: Hollow tubes made of tubulin

    Function: Maintain cell shape, intracellular transport, and cell division

  • Intermediate Filaments

    Found in: Eukaryotic cells

    Structure: Fibrous proteins forming a network

    Function: Provide mechanical support and stabilize organelles