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Cell Parts Cell Membrane • Selectively permeable = allows certain substances in/out of cell Nucleus • • • • “Brain” of cell Control center Stores DNA Synthesizes RNA and ribosomes Cytoplasm (Cytosol) • Gelatin-like fluid inside cell Mitochondria • “Powerhouse of the cell” • Where energy is made if the form of ATP Ribosome • Synthesis of proteins • “Protein factories” Endoplasmic Reticulum (ER) • Rough ER = prepares proteins for export out of cell – Ribosomes are covered with ribosomes • Smooth ER = makes steroids, regulates calcium, and breaks down toxins Golgi Apparatus • Processes, packages, and secretes substances produced by the cell Lysosomes • Digests molecules, old organelles, and foreign substances Cell Wall • Plant Cells and Protists Only! • Supports and protects the cell Vacuole • Plant cells and Protists Only! • Stores water and waste products Chloroplast • Plant Cells and Protists Only! • Green Pigment (chlorophyll) • Photosynthesis Animal Cell Plant Cell
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