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Transcript
Parts of the Cell Organelles •Tiny cell structures that carry out specific functions within the cell – Cell membrane – Cell wall (plants) – Chloroplast (plants) – Chromosomes – Cytoplasm – Endoplasmic Reticulum – Golgi body – Lysosome – Mitochondria – Nuclear membrane – Nucleolus – Nucleus – Ribosomes – Vacuole Cell Membrane • Thin, flexible barrier around a cell • Controls what enters and leaves the cell • “Gatekeeper” Cytoplasm • A jelly fluid inside the cell in which the organelles are suspended Cell Wall • Found only in plant cells • Supports and protects the cell Chloroplast • Found only in plant cells • Captures sunlight for photosynthesis Chromosomes • • • • • Found in the nucleus Made of DNA Contains ALL genetic information Passes cell traits to new cells “Spaghetti” in the nucleus Endoplasmic Reticulum • Also known as “ER” – ER (emergency room- ambulance transports you to the ER) • Network of canals used to transport and store substances • A pathway between the nucleus and cell membrane Lysosome • Breaks down food molecules and dead or injured cells • “Lysol cleaner” Golgi Body • Produces lysosomes • Packages proteins for the cell and releases them into the cytoplasm • “Packaging Plant” like the post office Mitochondria • Powerhouse of the cell • Provides energy for cellular respiration • “Mighty Mighty Chondria” Ribosome • Produces proteins – Protein build, maintains, and replaces the tissues in your body Nucleus • Control center of the cell • Contains DNA which as information for making protein • “Brain” of the cell Nucleolus • Produces ribosomes (which produce protein) • “Meatballs” found in the nucleus Vacuole • Stores water and other materials • Vacuum up the dirt-Vacuum holds/stores the dirt in a bag Types of Cells • Prokaryotic – Cell with no nucleus or membrane bound cell organelles • Example: Bacteria • Eukaryotic – Cell with nucleus and organized cell organelles • Example: Animal and plant cells Common Features • • • • DNA Plasma membrane Cytoplasm Ribosomes Prokaryotic Eukaryotic
