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Cell Structure and Function  Objective: To learn about the structure and function of organelles.

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Presentation on theme: "Cell Structure and Function  Objective: To learn about the structure and function of organelles."— Presentation transcript:

1 Cell Structure and Function  Objective: To learn about the structure and function of organelles

2 The Discovery of the cell  1665: Robert Hooke discovers cells –Looked at cork cells

3 The Discovery of the Cell (Continued)  1665:Leeuwenhoek observes pond water –Found tiny living things

4 The Discovery of the cell (Continued)  1838: Schleiden concludes that all plants are made up of cells

5 The Discovery of the Cell (Continued)  1839: Schwan concludes that all animals are made up of cells

6 The Discovery of the Cell (Continued)  1855: Virchow proposes “cells come from cells”

7 The Cell Theory 1. All _________ are composed of _________ 2. ______ are the basic unit of ______ 3. New _______ are produced from ________ cells

8 Cellular Organization

9 Prokaryotic Cells vs Eukaryotic Cells  What is the difference between each type of cell?  Provide an example of each type of cell

10 Classify each type of cell

11 The Martian and the car  These life forms rolling along roads in great numbers. They were giving off thick clouds of poisonous waste as they moved. Many of the cars moved in the same direction. They appeared to have a great deal of energy, some of them moved very quickly. When one of these life forms stopped or slowed down, the others behind it responded. They slowed down and gave off a reddish light from the back, and sometimes they would make honking noises. They would stop to feed on a liquid substance."

12 Characteristics of Living Things   What are the characteristics of living things?

13 Organelles  Act like specialized _______ within ______

14 Summary Questions 1. Are viruses classified as living things? Why or why not? 2. Are plant cells classified as eukaryotic or prokaryotic? 3. Are animal cells classified as eukaryotic or prokaryotic?

15 Organelles 1. Nucleus 2. Nuclear envelope 3. Nucleolus 4. Chromatin 5. Centriole 6. Ribosome 7. Rough ER 8. Smooth ER 9. Golgi Apparatus 10. Vesicle 11. Lysosome 12. Peroxisome 13. Vacuoles 14. Mitochondria 15. Cell Wall 16. Chloroplast 17. Cytoskeleton 18. Cell Membrane 19. Cytoplasm 20. Cilia and Flagella

16 Organelle Mind Map  http://www.cellsalive.com/swf/cell_ model.swf http://www.cellsalive.com/swf/cell_ model.swf http://www.cellsalive.com/swf/cell_ model.swf –Click on either the plant cell or animal cell to complete your mind map  www.interactivesites.weebly.com www.interactivesites.weebly.com –Click on science then cells. Use the links on the page to complete your mind map

17 Cytoplasm  A _______ that holds the _______

18 Cilia and Flagella  _________ in movement  Present on ______ cells  E.x.

19 Vesicles  Membrane bound sac that _________

20 Cell Membrane  “_________”  Regulates _______________

21 Chromatin  Is ______ bound to ________  Contains ________

22 Nucleus  Holds _________  Covered by ____________

23 Nuclear Envelope  ________ nucleus  ________ allow materials to_________

24 Ribosomes  Build ________

25 Endoplasmic Reticulum Rough ER- assembles _______ –Ribosomes are _______ Smooth ER- assembles __________ and _________

26 Golgi Apparatus  _______, sorts and _______ proteins  The _____ of the cell

27 Lysosomes  ______ cell _____ and _________

28 Vacuoles  ______ materials

29 Cell Wall  Provides _______ and ________

30 Centrioles  ______ chromatids apart during ____ __________  Are only present during __________

31 Mitochondria  Convert ______ into _______  “__________” of the cell

32 Cytoskeleton  Gives ______ and ______ to the cell

33 Chloroplasts  Convert ______ into ________  Have _________

34 Eukaryotic Cell Animal Cell

35 Eukaryotic Cell Plant Cell

36 Fluid Mosaic Model  Basically describes ______

37 Centrioles  Are only present during __________

38 What’s so special about the Mitochondria? Unique because: 1. Has it’s own ______ 2. Has an ______ and ________ membrane What are cristae?

39 How cells make proteins  Proteins assembled on _____ _______ move it to golgi protein is _______ vesicles ________ _______ move it to golgi protein is _______ vesicles ________

40 Summary Questions 1. What is the difference between prokaryotic and eukaryotic cells? 2. What makes mitochondria unique? 3. Do all contain all organelles we discussed in class? Why or why not?


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