Unit 3 Cell Theory And Organelles

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Unit 3 Cell Theory And Organelles

  1. 1. KEY CONCEPT Cells are the Basic unit of life.<br />
  2. 2. The cell theory grew out of the work of many scientists and improvements in the microscope.<br /><ul><li>Many scientists contributed to the cell theory.</li></li></ul><li>The cell theory grew out of the work of many scientists and improvements in the microscope.<br />Many scientists contributed to the cell theory.<br />More was learned about cells as microscopes improved.<br />
  3. 3. The cell theory grew out of the work of many scientists and improvements in the microscope.<br />Many scientists contributed to the cell theory.<br />More was learned about cells as microscopes improved.<br />The cell theory is a unifying concept of biology.<br />
  4. 4. Early studies led to the development of the cell theory.<br /><ul><li>The Cell theory has three principles.
  5. 5. All organisms are made of cells.</li></li></ul><li>Early studies led to the development of the cell theory.<br /><ul><li>The Cell theory has three principles.
  6. 6. All organisms are made of cells.
  7. 7. All existing cells are produced by other living cells.</li></li></ul><li>Early studies led to the development of the cell theory.<br />The Cell theory has three principles.<br />All organisms are made of cells.<br />All existing cells are produced by other living cells.<br />The cell is the most basic unit of life.<br />
  8. 8. Prokaryotic cells lack a nucleus and most internal structures of eukaryotic cells.<br />All cells share certain characteristics.<br />
  9. 9. Prokaryotic cells lack a nucleus and most internal structures of eukaryotic cells.<br />All cells share certain characteristics.<br />Cells tend to be microscopic.<br />Bacterium<br />(colored SEM; magnification 8800x)<br />
  10. 10. Prokaryotic cells lack a nucleus and most internal structures of eukaryotic cells.<br />All cells share certain characteristics.<br />Cells tend to be microscopic.<br />All cells are enclosed by a membrane.<br />cell membrane<br />Bacterium<br />(colored SEM; magnification 8800x)<br />
  11. 11. Prokaryotic cells lack a nucleus and most internal structures of eukaryotic cells.<br />All cells share certain characteristics.<br />Cells tend to be microscopic.<br />All cells are enclosed by a membrane.<br />All cells are filled with cytoplasm.<br />cell membrane<br />cytoplasm<br />Bacterium<br />(colored SEM; magnification 8800x)<br />
  12. 12. There are two cell types: eukaryotic cells and prokaryotic cells.<br />
  13. 13. There are two cell types: eukaryotic cells and prokaryotic cells.<br />Eukaryotic cells have a nucleus.<br />nucleus<br />cell membrane<br />
  14. 14. There are two cell types: eukaryotic cells and prokaryotic cells.<br />Eukaryotic cells have a nucleus.<br />Prokaryotic cells do not have membrane- bound organelles.<br />nucleus<br />organelles<br />cell membrane<br />
  15. 15. There are two cell types: eukaryotic cells and prokaryotic cells.<br />Prokaryotic cells do not have a nucleus.<br />nucleus<br />organelles<br />cell membrane<br />
  16. 16. There are two cell types: eukaryotic cells and prokaryotic cells.<br />Prokaryotic cells do not have a nucleus.<br />Prokaryotic cells do not have membrane-bound organelles.<br />nucleus<br />organelles<br />cell membrane<br />cytoplasm<br />
  17. 17. KEY CONCEPT Eukaryotic cells share many similarities.<br />
  18. 18. Cells have an internal structure.<br />
  19. 19. Cells have an internal structure.<br />The cytoskeleton has many functions.<br />
  20. 20. Cells have an internal structure.<br />The cytoskeleton has many functions.<br />supports and shapes cell<br />
  21. 21. Cells have an internal structure.<br />The cytoskeleton has many functions.<br />supports and shapes cell<br />helps position and transport organelles<br />
  22. 22. Cells have an internal structure.<br />The cytoskeleton has many functions.<br />supports and shapes cell<br />helps position and transport organelles<br />provides strength<br />
  23. 23. Cells have an internal structure.<br />The cytoskeleton has many functions.<br />supports and shapes cell<br />helps position and transport organelles<br />provides strength<br />assists in cell division<br />
  24. 24. Cells have an internal structure.<br />The cytoskeleton has many functions.<br />supports and shapes cell<br />helps position and transport organelles<br />provides strength<br />assists in cell division<br />aids in cell movement<br />
  25. 25. Several organelles are involved in making and processing proteins.<br />
  26. 26. Several organelles are involved in making and processing proteins.<br />The nucleus stores genetic information.<br />
  27. 27. Several organelles are involved in making and processing proteins.<br />The nucleus stores genetic information.<br />Many processes occur in the endoplasmic reticulum.<br />
  28. 28. Several organelles are involved in making and processing proteins.<br />The nucleus stores genetic information.<br />Many processes occur in the endoplasmic reticulum.<br />There are two types of endoplasmic reticulum. <br />
  29. 29. Several organelles are involved in making and processing proteins.<br />The nucleus stores genetic information.<br />Many processes occur in the endoplasmic reticulum.<br />There are two types of endoplasmic reticulum. <br />rough endoplasmic reticulum<br />
  30. 30. Several organelles are involved in making and processing proteins.<br />The nucleus stores genetic information.<br />Many processes occur in the endoplasmic reticulum.<br />There are two types of endoplasmic reticulum. <br />rough endoplasmic reticulum<br />smooth endoplasmic reticulum<br />
  31. 31. Several organelles are involved in making and processing proteins. (continued)<br />
  32. 32. Several organelles are involved in making and processing proteins. (continued)<br />Ribosomes link amino acids to form proteins.<br />
  33. 33. Several organelles are involved in making and processing proteins. (continued)<br />Ribosomes link amino acids to form proteins.<br />Vesicles are membrane-bound sacs that hold materials.<br />
  34. 34. Other organelles have various functions.<br />
  35. 35. Other organelles have various functions.<br />Mitochondria supply energy to the cell.<br />
  36. 36. Other organelles have various functions.<br />Mitochondria supply energy to the cell.<br />Vacuoles are fluid-filled sacs that hold materials.<br />
  37. 37. Other organelles have various functions.<br />Mitochondria supply energy to the cell.<br />Vacuoles are fluid-filled sacs that hold materials.<br />Lysosomes contain enzymes to digest material.<br />
  38. 38. Other organelles have various functions.<br />Mitochondria supply energy to the cell.<br />Vacuoles are fluid-filled sacs that hold materials.<br />Lysosomes contain enzymes to digest material.<br />Centrioles are tubes found in the centrosomes.<br />
  39. 39. Other organelles have various functions.<br />Mitochondria supply energy to the cell.<br />Vacuoles are fluid-filled sacs that hold materials.<br />Lysosomes contain enzymes to digest material.<br />Centrioles are tubes found in the centrosomes.<br />Centrioles help divide DNA.<br />
  40. 40. Other organelles have various functions.<br />Mitochondria supply energy to the cell.<br />Vacuoles are fluid-filled sacs that hold materials.<br />Lysosomes contain enzymes to digest material.<br />Centrioles are tubes found in the centrosomes.<br />Centrioles help divide DNA.<br />Centrioles form cilia and flagella.<br />

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