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Name__________________________________ Period_________ Binder Page #__________ Cell Organelle Notes Like many organisms, cells have organs within them that have specific functions. Organelles: Like many organisms cells have organs within them that have specific functions. They are called organelles Organelles are membrane-bound structures within a _________________cell that have specific functions Cell Membrane A ___________________________layer on the outside of the cell All organelles are within Remember that the plasma membrane helps maintain homeostasis within an organism All cells have a cell membrane Cell Wall Rigid structure located outside the plasma membrane of PLANTS, Provides ______________________ The cell wall allows the cell to become quite turgid without bursting PLANT CELLS ONLY Mitochondria Membrane-bound organelle that _________________________stored in food Mitochondria have highly folded membranes that produce energy-storing molecules Powerhouse of the cell Golgi Apparatus Flattened tubular membranes _________________________proteins and sends them to their appropriate destinations Lysosome Contains digestive enzymes Responsible for _________________ excess or worn out organelles, food particles, and engulfed viruses or bacteria Vacuole A vacuole is a membrane-bound space in the cytoplasm of cells used for the _____________________ of materials The vacuole in a plant is very large Chloroplast Conduct__________________ Capture light ONLY IN PLANTS Centrioles Small cylindrical structures composed of microtubules called centrioles Duplicate during _________________________ when cells divide ANIMAL CELLS ONLY Endoplasmic Reticulum Has highly _________________________ Surrounded by cytoplasm It is the site of cellular chemical reactions Rough “ER” has ribosomes attached Smooth ER does not have ribosomes Ribosomes Found in the nucleus OR suspended in the _________________________ Where proteins are assembled Cytoplasm Clear, gelatinous fluid in cells Site of numerous chemical reactions It suspends the _________________________ Nucleus Central organelle that manages _________________________ Contains DNA Surrounded by a nuclear membrane which can dissolve or allow structures out to the cytoplasm Nucleolus The nucleolus is found IN the nucleus Produces_________________________
