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CELLS All living things are made up of cells. Cells are like tiny towns, constantly producing and transporting all the things needed for life. At Plant Energy Biology, we study how plant cells work. Let’s take a closer look at what cells are made up of, and how plant and animal cells are different. Ribosomes and endoplasmic reticulum PLANT CELL A network of machines and sacs for making and activating proteins Cell wall Protects plant cells and helps hold the plant up, as a plant has no skeleton! Nucleus Contains genetic information (DNA) and controls the cell’s activities Vacuole Cytoskeleton A “storage bin” for food, water and wastes Helps transport cargo (organelles, proteins, etc) around the cell Golgi apparatus Chloroplasts Collects, packages and distributes proteins and other molecules made in the cell Convert light energy and CO2 into sugars and oxygen in photosynthesis Mitochondria Power the cell by making energy ONLY FOUND IN PLANT CELLS Peroxisomes Break down oils for energy Cytosol Gel-like solution of molecules which holds the organelles ANIMAL CELL Cell membrane Provides a wrapping for the cell but allows exchanges between cells FOUND IN BOTH PLANT AND ANIMAL CELLS