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Transcript
Wake-up 1. How can you tell the difference between an onion cell and a Elodea cell? 1. Why was the Human cheek cell round and not square? -Turn in Wake-up and Animal/Plant Cell Lab from Friday Plasma Membrane and Cell Wall Christopherson Fill in the chart at the top of your notes. Use your notes if necessary. Membrane: Prokaryotic Cell Membrane: Eukaryotic Cell Phospholipid: Structure Phosphate Head Hydrophilic: LOVES water Lipid Tail Hydrophobic: HATES water Phospholipid bilayer With this arrangement in mind, where is Membrane is made up of two layers of the “water” in the diagram? phospholipids. WATER Hydrophilic: LOVES water Hydrophobic: HATES water Hydrophilic: LOVES water WATER Location: Surrounds the cell and organelles Function of Phospholipids Controls what comes in and out of cells; the gatekeeper Label Phospholipids on the diagram Cholesterol Function: Keeps the Location: membrane Found in together; the between the phosphate phospholipids heads are not in the bilayer. attached to each other Label Cholesterol on the diagram Proteins Location: Within the phospholipid bilayer 1. Transport Proteins Helps larger substances pass through the bilayer 2. Glycoprotein: Protein with a carbohydrate Helps cells recognize similar cells; similar cells form tissue Label Transport protein and Glycoprotein Carbohydrate Function: Help recognized similar cells to Location: On the top of proteins or form tissues OR to recognize foreign phospholipids substances in the cell * Label Carbohydrate on the diagram Watch me!!! Shows movement of Bilayer Cell Wall Location: Layer outside of the cell Function: Provide structure and support membrane in some organisms Plants Cell Wall Bacteria Cell Wall Fungus Cell Wall Phytoplankton Cell Wall