Two Types Of Cells - Eukaryotic and Prokaryotic Cells
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Two Types Of Cells - Eukaryotic and Prokaryotic Cells

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Intro to the two different types of cells - eukaryotic cells and prokaryotic cells

Intro to the two different types of cells - eukaryotic cells and prokaryotic cells

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Two Types Of Cells - Eukaryotic and Prokaryotic Cells Two Types Of Cells - Eukaryotic and Prokaryotic Cells Presentation Transcript

  • Two types of cells: Prokaryote Cells And Eukaryote Cells
  • First, what is a cell?!
    • It took a long time for people to discover cells and figure out what they were all about. They need sophisticated equipment (microscopes) to be able to see cells.
    • Every thing we know about cells we call
    • “ cell theory”.
  • Cell Theory says that….
    • All living things are made of cells.
    • 2. Cells are the basic units of structure and function in all living things. In other words, cells are like the building blocks of all living things.
    • 3. New cells are only made from existing cells.
  • Cells come in all shapes and sizes!
  • There are two types of cells:
    • Prokaryotic Cells
    • and
    • Eukaryotic Cells
  • These are two distinct types of cells with STRUCTURAL differences. Prokaryotes Bacteria Eukaryotes Animal Plant
  •  
  • Prokaryote Cell
    • A single celled organism that does not have a nucleus.
    • Add this to your vocabulary book
  • Traits of Prokaryotes: (pro-care-ee-ohts)
      • They do not have a nucleus, and their genetic material is not stored in the nucleus.
      • They have some organelles, but not many.
      • 3. They are less complicated that eukaryotes.
      • All bacteria are prokaryotes.
    • Bacteria may be small but they are powerful!
    • During the 14 th century, 25% or ¼ of Europe was killed by a killed by a bacteria called the Bubonic Plague, also called Black Death. This bacteria was spread through fleas and rodents.
  • But at the same time we need bacteria to live!
    • Bacteria are decomposers and without them all other organisms would not be able to survive.
    • We use bacteria in our digestive system to help digest our food. There are approximately ten times as many bacterial cells as human cells in the human body!
    • We could not make cheese or yogurt without bacteria.
  • Eukaryote Cell
    • A more complex cell with a nucleus and many organelles.
    • Add this to your vocabulary book
  • Traits of Eukaryotes: (you-care-ee-othts)
    • 1. They all have a nucleus where the genetic material of the cell is stored.
    • 2. They have many organelles that work together to help the cell function.
  •  
  • More traits of Eukaryotes: (you-care-ee-othts)
    • Eukaryotic cells are much more complex then prokaryotic cells.
    • They can be just one cell or can make up more complex multi-cellular organisms.
    • 6. All plants, animals, fungi, and protists are eukaryotic cells.
  •  
  • Think – Pair - Share
    • What do you think is the main difference between a prokaryotic cell and a eukaryotic cell?
    • The nucleus!
    • Prokaryotic cells do not have a nucleus and eukaryotic cells do have a nucleus. This allows eukaryotic cells to make multi-cellular organisms and perform more complex functions.