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Transcript
Cell Organelles Cell Organelles Organelle= “little organ” These are tiny structures that carry out tasks inside the cell. 2 Types of Cells Prokaryote Cells “Pro – No” No Nucleus! ONLY unicellular. Ex: Bacteria Eukaryote Cells Has a nucleus and lots of organelles! Ex: Animals, plants, protist, and fungi Cell Membrane Boundary of the cell. Only allows certain materials to pass in or out. Cell membrane allows waste to pass out of cell. Nucleus Control center of the cell Contains DNA Usually the easiest organelle to see under a microscope Endoplasmic Reticulum A.k.a. “ER” Connected to nuclear membrane Highway of the cell Rough ER: Bumpy with ribosomes on the outside. Smooth ER: no ribosomes; it makes lipids Ribosome Makes proteins! Found attached to rough ER or floating free in cytoplasm. Produced in a part of the nucleus called the nucleolus Golgi Apparatus Looks like a stack of pancakes Stores, modifies and packages proteins. Lysosomes Garbage disposal of the cell Contain digestive enzymes that break down wastes Which organelles do lysosomes work with? Mitochondria “Powerhouse of the cell” Makes energy! Mitochondria breaks down sugar and turns it into energy Process called cellular respiration. Vacuoles Storage container for water, food, enzymes, wastes, pigments, etc. Smaller in animal cells vs plant cells. Cytoplasm Jelly-like substance that holds the organelles in place. Chromatin Located inside the nucleus and contains genetic information. (chromosomes) (Inside Nucleus) Nuclear Membrane Decides what goes in and out of the nucleus. (Outside of Nucleus) Nucleolus Produces Ribosomes (Inside Nucleus) Quick Review What is the control center of the cell? Quick Review What is the control center of the cell? The Nucleus Quick Review What is the control center of the cell? The Nucleus Which organelle is the “power-house”? Quick Review What is the control center of the cell? The Nucleus Which organelle is the “power-house”? Mitochondria Quick Review What is the control center of the cell? The Nucleus Which organelle is the “power-house”? Mitochondria Which organelle stores water and food? Quick Review What is the control center of the cell? The Nucleus Which organelle is the “power-house”? Mitochondria Which organelle stores water and food? Vacuoles Can you identify the organelles?