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All Cells Must Have……. PowerPoint Presentation
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All Cells Must Have…….

All Cells Must Have…….

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All Cells Must Have…….

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  1. All Cells Must Have……. • Cell membranes • A protective layer that covers the cell’s surface and acts as a barrier • Cytoplasm • A fluid inside of the cell • DNA The genetic material that carries the information needed to make new cells and new organisms • Ribosomes • Organelles which make protein

  2. Prokaryotes Do not have membrane bound organelles An organelle is one of the small bodies in a cell’s cytoplasm that has specific functions Do not have a Nucleus Classified into two major groups Bacteria Archaea Prokaryotic Cells

  3. Bacteria • Most Common Prokaryotes • Smallest of all cells • Can live almost everywhere • DNA is long and circular • Shaped like a twisted rubber band • Not all Bacteria are bad!! • We have bacteria on our teeth, skin, and in our digestive systems! (They help us!!!)

  4. Shapes of Bacteria • Bacteria Have Three Shapes • Sphere • Rod • Spiral Rods Spherical Spiral

  5. Archaea • Different from bacteria because of Ribosomes • Archaea ribosomes are like those of eukaryotic cells • Have Different cell wall and cell membrane from all other cells • Live in extreme environments • Extremophiles • Heat-Loving • Salt-Loving • Methane-making • Can live near volcanic vents

  6. Eukaryotic Cells • Have membrane bound organelles • Nucleus • Largest of all cells • 10 times larger than bacteria cells • ALL other living things (that are not bacteria or archaea) are made of eukaryotic cells! • Most Eukaryotic organisms are Multicellular • Made of many cells

  7. Prokaryotic Vs. Eukaryotic Cell

  8. Which one is it??!!

  9. Which one is it??!!

  10. Which one is it??!!

  11. Which one is it??!!

  12. Venn Diagram of Eukaryotic vs. Prokaryotic