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Cell A

HELLO! When you arrive to class today… 1. Please get out your Agar Lab. 2. Complete the “Post-Lab” Questions with the person sitting next to you. 3. Have your notes from last night’s homework video on your desk!.

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Cell A

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  1. HELLO! When you arrive to class today…1. Please get out your Agar Lab.2. Complete the “Post-Lab” Questions with the person sitting next to you.3. Have your notes from last night’s homework video on your desk!

  2. Bellwork: September 4Look at the two cells below (A and B). Write at least 5 things you observe about these cells. (Example…tell me how they are similar or how they are different) Cell A Cell B

  3. Science Fact of the Day:The Golden "Poison Dart" frog in South America is most poisonous vertebrate in the world.

  4. CO:I will compare and contrast types of cells.LO:I will complete a T-Chart to compare/contrast prokaryotic and eukaryotic cells. I will look at types of cells with a partner.

  5. The Egg Demo

  6. How to fill in your notes: Prokaryotes Eukaryotes BOTH

  7. Surrounded by a cell membrane. Have ribosomes (make proteins) Contain DNA Have the ability to reproduce Maintain homeostasis Respond to stimuli Six characteristics that all cells have in common: Write this in the “BOTH” column!

  8. Cells fall into two broad categories depending on whether they contain a nucleus.

  9. EukaryotesThe next few slides will go on the right side of your T-Chart under “Eukaryotes”ONLY write the information in BOLD!

  10. Eukaryotes are…organisms with cells that contain a nucleus.

  11. Eukaryotic cells are…larger and more complex

  12. Have internal membrane-bound organelles. Have a nucleus. Eukaryotic cells…

  13. Eukaryotes are… both unicellular or multicellular.

  14. Eukaryotes can…reproduce sexually or asexually • Asexual reproduction of a sea anemone by fission.

  15. Animals Plants Fungi Protists Eukaryotic examples…

  16. ProkaryotesThe next few slides will go on the left side of your T-Chart under “Prokaryotes”ONLY write the information in BOLD!

  17. Prokaryotic Cells…organisms that do NOT contain a nucleus.

  18. Prokaryotes are…smaller andsimpler

  19. Prokaryotic cells… do not have membrane-bound organelles.

  20. Prokaryotes are… unicellular organisms.

  21. Prokaryotes…reproduce asexually

  22. Prokaryotic examples: bacteria. WHEN I SAY PROKARYOTE, YOU SAY BACTERIA!

  23. Flip your notes over……on the top of the paper write “Endosymbiotic Theory”Only write what is in bold!

  24. Endosymbiotic Theory • “endo” = inside of • “sym” = together • “biotic” = living • “theory” = scientific explanation based on scientific evidence …Put that all together and you get…

  25. Endosymbiotic Theory • The theory that the eukaryotic cell is actually composed of prokaryotic cells • One prokaryotic cell living inside of another prokaryotic cell, made a more complex cell called the eukaryotic cell • Organelles were once independent prokaryotes

  26. Endosymbiotic Theory Prokaryotic Cell #1 Prokaryotic Cell #2 (chloroplast) NEW Eukaryotic Cell Prokaryotic Cell #1 Prokaryotic Cell #2 (mitochondria) NEW Eukaryotic Cell

  27. Endosymbiotic Theory Videos Endosymbiotic Clay-mation Endosymbiotic Theory: Big Tony and Little Jon

  28. Below your notes, number 1-6.With a partner, decide whether the cells on each slide are a prokaryotic or eukaryotic slide.Be sure to put a reason WHY you chose your answer. The team to get the most right will get a prize 

  29. Prokaryotic or Eukaryotic?

  30. Prokaryotic or Eukaryotic?

  31. Prokaryotic or Eukaryotic?

  32. Prokaryotic or Eukaryotic?

  33. Prokaryotic or Eukaryotic?

  34. Prokaryotic or Eukaryotic?

  35. Answers: • Prokaryotic—no nucleus, no organelles • Eukaryotic—plant cells, green discs are chloroplasts (organelle) • Eukaryotic—complex, contains a nucleus, many organelles • Prokaryotic—small, simple, no organelles are seen • Prokaryotic—small, simple, no organelles are seen • Eukaryotic—unicellular, organelles present

  36. Exit Ticket! • On your stickie note write 3 major differences between prokaryotic and eukaryotic cells. • You do not need to put your name on it!

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