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Review Of Cells
Review Of Cells
Review Of Cells
Review Of Cells
Review Of Cells
Review Of Cells
Review Of Cells
Review Of Cells
Review Of Cells
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Review Of Cells

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  • 1. Review of Cells
  • 2. Types of Cells <ul><li>Prokaryotic: Do not have a nucleus </li></ul><ul><ul><li>Bacteria, protists and simple single celled organisms. </li></ul></ul><ul><li>Eukaryotic: Have a true nucleus </li></ul><ul><ul><li>Include plant and animal cells </li></ul></ul>
  • 3. Plasma membrane <ul><li>Made up of: </li></ul><ul><ul><li>Phospholipids (bilayer) </li></ul></ul><ul><ul><li>Carbohydrates (receptor molecules) </li></ul></ul><ul><ul><li>Proteins (transport channels) </li></ul></ul><ul><ul><li>Cholesterol (structure and stability) </li></ul></ul>
  • 4. Cell Organelles <ul><li>Cell membrane </li></ul><ul><li>Cell wall (plants only) </li></ul><ul><li>Endoplasmic reticulum </li></ul><ul><ul><li>Smooth and Rough </li></ul></ul><ul><li>Golgi apparatus </li></ul><ul><li>Mitochondria </li></ul><ul><li>Chloroplasts (plants only) </li></ul>
  • 5. Cell Organelles <ul><li>Lysosomes </li></ul><ul><li>Vacuole </li></ul><ul><li>Centrioles (visible in animals) </li></ul><ul><li>Nucleus </li></ul><ul><li>Nucleolus </li></ul><ul><li>Ribosomes </li></ul>
  • 6. Transport <ul><li>How do things molecules or particles move? </li></ul><ul><ul><li>Gases and Liquids can have particles suspended in them </li></ul></ul><ul><ul><li>Random Collisions of these particles create movement, and cause them to spread out. </li></ul></ul>
  • 7. Passive Transport <ul><li>Does not require energy </li></ul><ul><li>Two types: </li></ul><ul><ul><li>Diffusion: from high concentration to low concentration. Until an equilibrium is reached. </li></ul></ul><ul><ul><li>Osmosis: the diffusion of water. </li></ul></ul><ul><ul><li>Facilitated Diffusion: The diffusion of larger molecules, with the help of transport protein. </li></ul></ul>Facilitated Diffusion
  • 8. Active Transport <ul><li>Transport across the membrane that requires the use of energy. </li></ul><ul><ul><li>Usually occurs up the concentration gradient </li></ul></ul><ul><ul><li>Uses ATP </li></ul></ul>
  • 9.  

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