Cell Organelles The Parts of the Cell
Cell Organelles Cell Membrane “doorway of the cell”
Cell Organelles Cell Membrane “doorway of the cell” Protective barrier that encloses the cell
Cell Organelles Cell Membrane “doorway of the cell” Protective barrier that encloses the cell Tiny openings that allow passages of certain materials into & out of cell
Cell Organelles Cell Membrane
Cell Organelles Cell Membrane “doorway of the cell” Protective barrier that encloses the cell Tiny openings that allow passages of certain materials into & out of cell Made up of lipids and proteins (lipid bilayer)
Cell Organelles Cytoplasm Jelly-like mixture within the cell
Cell Organelles Cytoplasm Jelly-like mixture within the cell Holds organelles in place
Cell Organelles Cytoskeleton Supporting structure & movement
Cell Organelles Cytoskeleton Supporting structure & movement Network of protein filaments
Cell Organelles Cytoskeleton Supporting structure & transportation Network of protein filaments Maintain shape of the cell Microfilaments: threadlike; made up of actin; cell support & movement (amoeba)
Cell Organelles Cytoskeleton Supporting structure & transportation Network of protein filaments Maintain shape of the cell Microfilaments: threadlike; made up of actin; cell support & movement (amoeba) Microtubules: hollow; made up of proteins; shape; help in cell division ; build projections (cilia and flagellum) to aid to movement
Cell Organelles Nucleus “Control Center”
Cell Organelles Nucleus “Control Center” Directs all cell activities- Contains DNA- instructions for making proteins
Cell Organelles Nucleus “Control Center” Directs all cell activities Bounded by a nuclear envelope (2 membranes) allowing materials in/out of nucleus
Cell Organelles Nucleus “Control Center” Directs all cell activities Bounded by a nuclear envelope Contain chromatin DNA bound to protein During cell division chromatin condenses into chromosomes
Cell Organelles Nucleus “Control Center” Directs all cell activities Bounded by a nuclear envelope Contain chromatin Contain nucleolus in center Assembly of ribosomes begins here
Cell Organelles Nucleus
Cell Organelles Ribosomes Protein Makers (protein synthesis)
Cell Organelles Ribosomes Protein Makers (protein synthesis) Found on rough ER and floating in cytoplasm
Cell Organelles Ribosomes Protein Makers (protein synthesis) Found on rough ER and floating in cytoplasm Smallest of all organelles
Cell Organelles Ribosomes Protein Makers (protein synthesis) Found on rough ER and floating in cytoplasm Smallest of all organelles Made up of RNA & protein
Cell Organelles Endoplasmic Reticulum (ER) “Transportation System”
Cell Organelles Endoplasmic Reticulum (ER) “Transportation System” Network of membrane passageways that carry proteins
Cell Organelles Endoplasmic Reticulum (ER) “Transportation System” Network of passageways that carry proteins Rough ER: Folded membrane extending from nucleus with ribosomes Involved in protein synthesis
Cell Organelles Endoplasmic Reticulum (ER) “Transportation System” Network of passageways that carry proteins Rough ER: Folded membrane extending from nucleus with ribosomes Smooth ER: no ribosomes Synthesis of membranes (lipids)
Transmission Electron Microscope Image Cell Organelles Endoplasmic Reticulum (ER) Transmission Electron Microscope Image
Cell Organelles Golgi Apparatus (Complex) “Packaging Center”
Cell Organelles Golgi Apparatus (Complex) “Packaging Center” Packages, sorts, and distributes proteins
Cell Organelles Golgi Apparatus (Complex) “Packaging Center” Packages, sorts, and distributes proteins Stacks of membrane-covered sacs
Cell Organelles Golgi Apparatus (Complex)
Cell Organelles Lysosomes Digest wastes and worn out parts
Cell Organelles Lysosomes Digest wastes and worn out parts Variety of sizes and shapes
Cell Organelles Lysosomes Digest wastes and worn out parts Variety of sizes and shapes Found in cytoplasm
Cell Organelles Vacuoles “Storage Tanks”
Cell Organelles Vacuoles “Storage Tanks” Sac-like
Cell Organelles Vacuoles “Storage Tanks” Sac-like Store food and wastes Stores: water, salts, proteins, carbs…
Cell Organelles Vacuoles “Storage Tanks” Sac-like Store food and wastes Small in animal cells/large in plant cells (central vacuole = pressure allows for support of leaves, etc)
Cell Organelles Vacuoles
Cell Organelles Mitochondria “Powerhouse of the cell”
Cell Organelles Mitochondria “Powerhouse of the cell” Capsule shaped (2 membranes)
Cell Organelles Mitochondria “Powerhouse of the cell” Capsule shaped (2 membranes) Supplies energy for the cell Breaks down sugars (glucose) to make ATP (energy)
Cell Organelles Mitochondria
Cell Organelles Cell wall ONLY in plant cells
Cell Organelles Cell wall ONLY in plant cells Protects and supports cell
Cell Organelles Cell wall ONLY in plant cells Protects and supports cell Encloses cell/ outermost
Cell Organelles Cell wall ONLY in plant cells Protects and supports cell Encloses cell/ outermost Made mostly of cellulose (carb)
Cell Organelles Cell wall
Cell Organelles Chloroplast ONLY in plant cells and some Protists
Cell Organelles Chloroplast ONLY in plant cells & some Protists Green oval shaped
Cell Organelles Chloroplast ONLY in plant cells & some Protists Green oval shaped Contain Chlorophyll
Cell Organelles Chloroplast ONLY in plant/protists Green oval shaped Contain Chlorophyll Aid in photosynthesis Capture light E & convert it to food (glucose)