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Transcript
Happy Wednesday! Bellwork: September 3 Using your notes from yesterday, write an analogy for what a cell is like. Fill in the following sentence with your analogy. You only need to write your analogy on your bellwork paper. “A cell is like a ________ because _____________.” In the summary section of your homework notes, number 1-6. With your celebrity group, decide whether the cells around the room are prokaryotic or eukaryotic. Be ready to explain WHY. Prokaryotic or Eukaryotic? Prokaryotic or Eukaryotic? Prokaryotic or Eukaryotic? Prokaryotic or Eukaryotic? Prokaryotic or Eukaryotic? Prokaryotic or Eukaryotic? Answers: 1. Prokaryotic—no nucleus, no organelles 2. Eukaryotic—plant cells, green discs are chloroplasts (organelle) 3. Eukaryotic—complex, contains a nucleus, many organelles 4. Prokaryotic—small, simple, no organelles are seen 5. Prokaryotic—small, simple, no organelles are seen 6. Eukaryotic—unicellular, organelles present Summary for Types of Cells Notes • Prokaryotes: – NO nucleus – Bacteria – Simple, small • Eukaryotes: – HAS a nucleus & organelles – Anything BUT bacteria (YOU are EUkaryotic!) – Complex, larger Cells fall into two broad categories depending on whether they contain a nucleus. Endosymbiotic Theory • • • • “endo” = inside of “sym” = together “biotic” = living “theory” = scientific explanation based on scientific evidence …Put that all together and you get… 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 Endosymbiotic Theory Prokaryotic Cell #1 Prokaryotic Cell #2 (chloroplast) NEW Eukaryotic Cell Prokaryotic Cell #1 Prokaryotic Cell #2 (mitochondria) NEW Eukaryotic Cell Endosymbiotic Theory Videos Endosymbiotic Clay-mation Endosymbiotic Theory: Big Tony and Little Jon Summary: In 5 words, describe the Endosymbiotic Theory. Front Vocabulary Word Definition of the word. A sentence that uses the word. Back A real-world example of the word. A drawing that reminds you of the definition of the word. (Must use at least one color.) Front Biology The study of life. Back Ecology is a type of biology that studies the environment. Biology allows us to understand the living world around us. Vocab Words Prokaryote Eukaryote Unicellular Multicellular Asexual Sexual