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Transcript
CELL PARTS AND FUNCTIONS PART Plant Animal or Both? PICTURE FUNCTION Regulates what enters and leaves the cell Separates inside reactions from outside reactions Cell Membrane BOTH “gatekeeper” Nucleus BOTH Controls most of the cell’s functions Houses and protects the cell’s genetic information (DNA) “control center” Nucleolus BOTH Makes ribosomes Mitochondria BOTH Transfers energy from organic molecules to ATP (which powers all of the cell’s activities) “powerhouse” Ribosomes BOTH Builds proteins BOTH Provides a pathway for molecules to move within the cell Endoplasmic Reticulum “intracellular highway” SER: no ribosomes Smooth RER:has ribosomes (why rough) Rough Lysosome Animal SER: builds lipids (cholesterol & sex hormones), releases calcium RER: produces phospholipids and proteins Contain digestive enzymes that break down large molecules “recycling center” Golgi Apparatus BOTH Modification and packaging of molecules for export from the cell Plant Large fluid-filled organelle that stores H2O, enzymes, and wastes Cell Wall Plant Rigid layer that contains cellulose, provide structural support to the cell Chloroplasts Plant Use light energy to make carbohydrates from CO2 and H2O during photosynthesis “post-office” Vacuole “water tank” Cytoskeleton Network of thin tubes and filaments Hold organelles in place, maintain cell’s shape, act as tracks for organelle movement Microtubules BOTH Microfilaments BOTH Contribute to cell movement Cilia/Flagella Animal Centrioles Animal Assist in cell movement (cilia – short, hair -like; flagella – long, whip-like) Help with cell division