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Prokaryotic cells vs. eukaryotic cells

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http://www.expertsmind.com/topic/biology/microbiology-92241.aspx

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Prokaryotic cells vs. eukaryotic cells

  1. 1. Prokaryotic Cells Vs. Eukaryotic Cells
  2. 2. What’s the difference between prokaryotes and eukaryotes?• Prokaryotic cells were here first and for billions of years were the only form of life on Earth. All prokaryotic organisms are unicellular• Eukaryotic cells appeared on earth long after prokaryotic cells but they are much more advanced. Eukaryotic organisms unlike prokaryotic can be unicellular or multicellular.
  3. 3. How do the differences line up?Prokaryotes Eukaryotes• Organelles lack a • Organelles covered by membrane a membrane• Ribosomes are the • Multiple organelles only organelles including ribosomes• Genetic material • Membrane covered floats in the Genetic material cytoplasm (DNA and RNA)
  4. 4. How do the differences line up?Prokaryotes Eukaryotes• Circular DNA • Linear DNA• Unicellular • May be multicellular or unicellular• Cells are samaller in size • Cells are larger in size• Has larger number of • Has smaller number of organisms organisms
  5. 5. How do the differences line up?Prokaryotes Eukaryotes• Appeared 4 billion • Appeared 1 billion years ago years ago
  6. 6. Cell theory1. All living things are made of cells2. Cell can only come from other cells3. All functions of a living thing are carried out in cells • Reminder: the functions of living things are: respiration, metabolism, growth, adaptations to the environment, reproduction, homeostasis and interdependence

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