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Organelle Structures Lysosome • Contains digestive enzymes that break down molecules Smooth ER • Makes Fats Mitochondria • Powerhouse of the cell (makes energy-ATP) Nucleolus • Makes RNA & Ribosomes Vacuole • Storage of water, starch, fats, etc. Golgi Body • Stores, packages & secretes fats & proteins Microfilaments • Associated with muscle contractions in larger organisms Chromatin • Uncoiled DNA Microtubules • Provide shape & rigidity to the cell Cell Wall • Support & protection for plant cell Centrioles • Moves chromosomes during cell division Chloroplast • Site of photosynthesis Ribosomes • Makes Proteins Plasma Membrane • Controls materials in & out of the cell Rough ER • Acts like a conveyer belt and transports proteins Nucleus • Control center of the cell Cytoskeleton • Acts as a scaffold to provide shape & support for the cell Plastid • “Generic” plant organelle that stores starch or pigments based on the type