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Cell Theory and Prokaryote vs. Eukaryote
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Cell Theory will not be covered in clas
Log onto google classroom and complete the cell theory homework.
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What is a Cell? Cell – Basic unit of living things.
Organisms are either: Unicellular – made of one cell such as bacteria and amoebas. OR Multicellular – made of many cells such as plants and animals.
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Microscopes Light Microscope – magnifies tiny organisms up to 1,000 times. -Uses light and lenses. -We use these. Electron Microscope – magnifies up to a million times. -Uses electrons.
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The Discovery of Cells Prokaryotic before nucleus Eukaryotic true
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Eukaryotes Has a nucleus with a nuclear envelope
Bigger and more complex than prokaryotes Have membrane bound Organelles (golgi, ER, lysosomes…etc) DNA – double-stranded and forms chromosomes (highly organized) Can be uni- OR multicellular organisms Ex: animals, plants, fungi
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Question 1 Which type of cells are you made of prokaryotic or Eukaryotic? What kingdom do you fall under?
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Question 2 Name the kingdoms that have Eukaryotic cells.
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Prokaryotes NO nucleus NO membrane bound organelles (just ribosomes)
ALL are unicellular Smaller than eukaryotic cells Forerunner to eukaryotic cells (smaller and more simple) DNA – single strand and circular Ex: ALL Bacteria 9
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Question 3 Name the kingdoms that have Prokaryotic cells.
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Similarities Contain all four biomolecules Have ribosomes Have DNA
(lipids, carbs, proteins, and nucleic acids) Have ribosomes Have DNA Similar Metabolism Can be unicellular Have cell/plasma membranes or cell wall
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Question 4 What is the difference between the DNA of prokaryotic and Eukaryotic cells? Hint- Shape and number of strands
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Question 5 What is the job of the ribosome?
Answer needs to be specific
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Draw the two cells in your notebook
Make sure you label the names and write out their function.
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Eukaryote VS. Prokaryote Picture
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Prokaryotic Cell Replication
Watch the video and draw a sequence of events and summarize what is happening to the cell. Make sure to answer the following questions. 6. What must happen first to the DNA? 7. What happens to the cell as it gets ready to divide? 8. What are the two cells that are formed called? 9. What type of reproduction is this?
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Prokaryotic Binary Fission
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