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Cell Discovery & Cell       TheoryPresented by: Joevani S. Peñol
What is a Cell?
Cell• The structural and  functional unit of all  living organism.
History• The study of cells started about three hundred  years ago.• With the help of one powerful instrument the  cell wa...
Cell Discovery• The scientist who have contributed to the  discovery of the cell: Hans and Zacharias JansenRobert Hooke...
Anton van LeeuwenhoekRudolph Virchow
1595• Hans and Zacharias  JansenCredited for the  production of lenses.
1665       • Robert Hooke       English Scientist.         Coined the term         “CELL”       He found it in a cork.    ...
Cork   Oak Tree
Cell Wall of a  Cork Cell
1674• Anton van LeeuwenhoekDutch Businessman.Described cells in a drop of pond water that he  called “animalcules”.“Father...
1833• Robert BrownEnglish botanist,  discovered the  nucleus in plant  cells(orchid).
Plant Cells
1838  • Matthias Jakob    Schleiden  German    botanist, conclud    ed the all plant    tissues are    composed of    cells.
1839• Theodor SchwannGerman zoologist,  concluded that all  animal tissues are  composed of  cells.Proposed the cell  theory
1858• Rudolph VirchowCompleted the cell theory by expounding  his famous conclusion “omnis cellula e  cellula” or cells de...
Cell Theory According to Schwann1) The cell is the unit of structure,  physiology, and organization in living  things.2) T...
Continued…3) Cells form by free-cell formation,  similar to the formation of crystals  (spontaneous generation).
Spontaneous GenerationThe hypothetical process by which living  organisms develop from nonliving matter.
Francesco Redi
Redi’s Experiment the Disprove  Spontaneous Generation
Revised Cell Theory1. all known living things are made up of cells.2. the cell is structural & functional unit of all livi...
References• http://www.ncbi.nlm.nih.gov/pmc/articles/P  MC2603088/• http://www.bio.miami.edu/~cmallery/150/uni  ty/cell.te...
QUIZ
Multiple ChoiceDirection: Write the CAPITAL LETTER of  the correct answer on your paper.1. What is the structural and func...
2. Who was the German Physiologist who  completed the Cell Theory?A. Theodor SchwannB. Matthias SchleidenC. Rudolph Vircho...
3. Who was the German Botanist who  stated that all plants are made up cells?A. Theodor SchwannB. Matthias SchleidenC. Ant...
4. Who discovered the nucleus of the  cell?A. Robert HookeB. Robert BrownC. Rudolph VirchowD. Hans and Zacharias Jansen
5. He falsified the spontaneous  generationA. Theodor SchwannB. Francesco RediC. Anton van LeeuwenhoekD. Robert Hooke
6. He used his simple microscope in  observing cells from a drop of pond  water that he called “animalcules”A. Hans and Za...
7. He is a German Zoologist who stated  that all animals are composed of cellsA. Matthias SchleidenB. Theodor SchwannC. Ro...
II. Enumeration• 8-10 State the Cell Theory8.9.10.
1. What is the structural and functional  unit of all living organism?A. Tissue                             BB. CellC. Org...
2. Who was the German Physiologist who  completed the Cell Theory?A. Theodor Schwann                           CB. Matthia...
3. Who was the German Botanist who  stated that all plants are made up cells?A. Theodor Schwann                           ...
4. Who discovered the nucleus of the  cell?                           BA. Robert HookeB. Robert BrownC. Rudolph VirchowD. ...
5. They/He first constructed a compound  microscopeA. Theodor Schwann                           BB. Hans and ZachariasC. A...
6. He used his simple microscope in  observing cells from a drop of pond  water that he called “animalcules”A. Hans and Za...
7. He is a German Zoologist who stated  that all animals are composed of cellsA. Matthias Schleiden                       ...
• 8-10 State the Cell Theory8. all known living things are made up of  cells.9. the cell is structural & functional unit  ...
Cell discovery & cell theory
Cell discovery & cell theory
Cell discovery & cell theory
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Cell discovery & cell theory

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Cell discovery & cell theory

  1. 1. Cell Discovery & Cell TheoryPresented by: Joevani S. Peñol
  2. 2. What is a Cell?
  3. 3. Cell• The structural and functional unit of all living organism.
  4. 4. History• The study of cells started about three hundred years ago.• With the help of one powerful instrument the cell was begin to be known to humans.
  5. 5. Cell Discovery• The scientist who have contributed to the discovery of the cell: Hans and Zacharias JansenRobert HookeMatthias SchleidenTheodor SchwannRobert Brown
  6. 6. Anton van LeeuwenhoekRudolph Virchow
  7. 7. 1595• Hans and Zacharias JansenCredited for the production of lenses.
  8. 8. 1665 • Robert Hooke English Scientist. Coined the term “CELL” He found it in a cork. Inventor of the compound microscope.
  9. 9. Cork Oak Tree
  10. 10. Cell Wall of a Cork Cell
  11. 11. 1674• Anton van LeeuwenhoekDutch Businessman.Described cells in a drop of pond water that he called “animalcules”.“Father of AncientMicrobiology”
  12. 12. 1833• Robert BrownEnglish botanist, discovered the nucleus in plant cells(orchid).
  13. 13. Plant Cells
  14. 14. 1838 • Matthias Jakob Schleiden German botanist, conclud ed the all plant tissues are composed of cells.
  15. 15. 1839• Theodor SchwannGerman zoologist, concluded that all animal tissues are composed of cells.Proposed the cell theory
  16. 16. 1858• Rudolph VirchowCompleted the cell theory by expounding his famous conclusion “omnis cellula e cellula” or cells develop from pre- existing cells.
  17. 17. Cell Theory According to Schwann1) The cell is the unit of structure, physiology, and organization in living things.2) The cell retains a dual existence as a distinct entity and a building block in the construction of organisms.
  18. 18. Continued…3) Cells form by free-cell formation, similar to the formation of crystals (spontaneous generation).
  19. 19. Spontaneous GenerationThe hypothetical process by which living organisms develop from nonliving matter.
  20. 20. Francesco Redi
  21. 21. Redi’s Experiment the Disprove Spontaneous Generation
  22. 22. Revised Cell Theory1. all known living things are made up of cells.2. the cell is structural & functional unit of all living things.3. all cells come from pre-existing cells by division. (Spontaneous Generation does not occur).
  23. 23. References• http://www.ncbi.nlm.nih.gov/pmc/articles/P MC2603088/• http://www.bio.miami.edu/~cmallery/150/uni ty/cell.text.htm• http://teachertech.rice.edu/Participants/daws onm/cells/timeline.htm
  24. 24. QUIZ
  25. 25. Multiple ChoiceDirection: Write the CAPITAL LETTER of the correct answer on your paper.1. What is the structural and functional unit of all living organism?A. TissueB. CellC. OrganD. Organ System
  26. 26. 2. Who was the German Physiologist who completed the Cell Theory?A. Theodor SchwannB. Matthias SchleidenC. Rudolph VirchowD. Robert Hooke
  27. 27. 3. Who was the German Botanist who stated that all plants are made up cells?A. Theodor SchwannB. Matthias SchleidenC. Anton van LeeuwenhoekD. Robert Brown
  28. 28. 4. Who discovered the nucleus of the cell?A. Robert HookeB. Robert BrownC. Rudolph VirchowD. Hans and Zacharias Jansen
  29. 29. 5. He falsified the spontaneous generationA. Theodor SchwannB. Francesco RediC. Anton van LeeuwenhoekD. Robert Hooke
  30. 30. 6. He used his simple microscope in observing cells from a drop of pond water that he called “animalcules”A. Hans and Zacharias JansenB. Theodor SchwannC. Anton van LeeuwenhoekD. Rudolph Virchow
  31. 31. 7. He is a German Zoologist who stated that all animals are composed of cellsA. Matthias SchleidenB. Theodor SchwannC. Robert BrownD. Robert Hooke
  32. 32. II. Enumeration• 8-10 State the Cell Theory8.9.10.
  33. 33. 1. What is the structural and functional unit of all living organism?A. Tissue BB. CellC. OrganD. Organ System
  34. 34. 2. Who was the German Physiologist who completed the Cell Theory?A. Theodor Schwann CB. Matthias SchleidenC. Rudolph VirchowD. Robert Hooke
  35. 35. 3. Who was the German Botanist who stated that all plants are made up cells?A. Theodor Schwann BB. Matthias SchleidenC. Anton van LeeuwenhoekD. Robert Brown
  36. 36. 4. Who discovered the nucleus of the cell? BA. Robert HookeB. Robert BrownC. Rudolph VirchowD. Hans and Zacharias Jansen
  37. 37. 5. They/He first constructed a compound microscopeA. Theodor Schwann BB. Hans and ZachariasC. Anton van LeeuwenhoekD. Robert Hooke
  38. 38. 6. He used his simple microscope in observing cells from a drop of pond water that he called “animalcules”A. Hans and Zacharias JansenB. Theodor SchwannC. Anton van Leeuwenhoek CD. Rudolph Virchow
  39. 39. 7. He is a German Zoologist who stated that all animals are composed of cellsA. Matthias Schleiden BB. Theodor SchwannC. Robert BrownD. Robert Hooke
  40. 40. • 8-10 State the Cell Theory8. all known living things are made up of cells.9. the cell is structural & functional unit of all living things.10. all cells come from pre-existing cells by division.

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