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Transcript
Cell Structure Wrap-up and Review Writing Assignment Get out your writing assignment outline. Switch with a partner for 3-4 minutes and check for the following: – Cell analogy (ex: The cell is like a school.) – 5 cell organelles and their function – 5 analogous structures, their functions and how they relate to a specific cell organelle. Example Outline The cell is like a school. (Main idea) – Nucleus = control center of the cell • Principal = command center for the school; instructs workers on how to do their jobs – Endoplasmic reticulum = transport of fats and proteins throughout the cell; how molecules/substances get from place to place • Hallways = how students move through the building/are “transported” from class to class Converting your outline to paragraph form Use your outline to guide your writing. Outline: Nucleus = Control center » Principal = command of school’s function Sentence: “The principal controls and manages the school’s functions much like the nucleus controls the cell’s functions and processes.” Writing wrap-up Use the next few minutes to begin constructing the rough draft for your writing assignment. Your rough draft is due tomorrow before you take your quiz. Final draft is due on Friday. Enzyme animation To review enzymes, watch the following animation: – http://highered.mcgrawhill.com/sites/0072495855/student_view0/c hapter2/animation__how_enzymes_work.h tml Enzymes -- test-taking review If you think the following statement is: – True: Pat your head – False: Rub your belly – Not sure: Do both Enzymes are proteins. TRUE! (Pat your head!) TRUE, enzymes are proteins! More test-taking with enzymes… If you think the following statement is: – True: Show “spirit fingers” – False: Cross your fingers. Enzymes speed up the rate of chemical reactions by raising the activation energy. FALSE! (Cross your fingers.) The statement was false! True statement: Enzymes speed up the rate of chemical reactions by LOWERING the activation energy. Cell Structure Review 1. What is the basic unit of life? CELLS 2. What is the nucleus? – Organelle located in the center of the cell 3. What is the function of the nucleus? (What does it do?) – Control center of the cell – Stores DNA Cell Structure Review 4. What are two organelles found in plant cells but not in animals cells? – Chloroplasts (chlorophyll) – Cell Wall 5. Which organelle is the “powerhouse” of the cell? MITOCHONDRIA 6. The town hall of a city is similar to which organelle in an animal cell? – NUCLEUS 7. What is the MAIN difference between prokaryotic and eukaryotic cells? – Prokaryotes – NO NUCLEUS – Eukaryotes – true nucleus 8. List two things that ALL CELLS have in common. – Cell membrane and cytoplasm 9. List two functions of the cell membrane. – 1. Surrounds the cell – 2. Controls what goes in/out of the cell 10. What is the function of a lysosome? – THINK “LYSOL”