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Transcript
Cell Organelles and Functions Cell Organelles and Functions Cell Membrane • protects the cell; performs active transport and passive transport to move materials in and out • video Cell Organelles and Functions Cytoplasm • Jelly like material constantly moving, pads and supports the organelles in the cell Cell Organelles and Functions Cytoskeleton • Microtubules and microfilaments together allow the cell to hold its shape, and move itself and its organelles. Cell Organelles and Functions Mitochondria • Produces energy for the cell. • The process of creating cell energy is known as cellular respiration. Cell Organelles and Functions Ribosomes • Protein Synthesis • Makes protein Cell Organelles and Functions Endoplasmic Reticulum - Abbrev: ER Two types • – Smooth (no ribosomes) – produces lipids • – Rough (covered with ribosomes) - Transports materials throughout the cell Cell Organelles and Functions Nucleus • controls the cell’s activities Cell Organelles and Functions Chromosomes • They carry the genetic code that determines the characteristic of the organism • provides the instructions for the cell’s activities (directs growth, reproduction) Nucleolus • Dark center inside nucleus • Produces ribosomes Cell Organelles and Functions Centriole • Found only in animal cells, and are there to help the cell when it comes time to divide. Cell Organelles and Functions Lysosome • Vesicles that are there to digest things. They might be used to digest food or break down the cell when it dies. Cell Organelles and Functions Golgi bodies/apparatus/complex • Gathers simple molecules and combines them to make molecules that are more complex. It then takes those big molecules, packages them. • Processes and packages molecules Cell Organelles and Functions Vacuole PLANT VACUOLE • Plant cell vacuoles • Very few and very large • Stores water ANIMAL • Animal cell vacuoles • storage-tanks for food, water, wastes, or enzymes Cell Organelles and Functions Cell Wall • rigid, tough, made of cellulose • protects and supports each cell Cell Organelles and Functions Chloroplasts • captures the energy in sunlight and uses it to produce food The cell song • Cell song 2
