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Transcript
Name _____________________________ Date __________ Period ______ The Home as a Model for the Cell Floating around in the cytoplasm are small structures called organelles. Like the organs in your body, each one carries out a certain function necessary for the cell to survive. Imagine the cell as a home. The organelles might represent people, places or parts of the home. Below are the descriptions of important parts of your model home. A. B. C. D. E. F. G. H. I. J. K. Garden – where the food is grown Kitchen – where food is prepared Pantry – where food is stored Children – move items around the home Composter – where wastes are disposed or recycled Heater – where energy is produced to heat the house Security system – to allow people in and out. Floor – Holds all the structures Parent/Guardian – makes sure the home is working properly Fence – Gives added support to the house and yard Solar panel on roof – collects sunlight for the home’s energy use As you move through the worksheet, see if you can match the important parts of the home listed above to the organelles in the cells. Write is complete sentences. 1. The nucleus is a large structure in the cell. It is the control center for all the activities in the cell. a. What part of the home or person in the home represents the nucleus? b. Why do you think so? 2. The cell membrane is a thin, covering that surrounds the cell. It controls what goes into and out of the cell. a. What part of the home or person in the home represents the cell membrane? b. Why do you think so? 3. The endoplasmic reticulum is tube-like passages that transport proteins to the rest of the cell. a. What part of the home or person in the home represents the endoplasmic reticulum? b. Why do you think so? 4. The ribosomes are small round structures that make proteins. a. What part of the home or person in the home represents the ribosomes? b. Why do you think so? 5. The jelly-like area between the nucleus and the cell membrane is called the cytoplasm. It holds the organelles. a. What part of the home or person in the home represents the cytoplasm? b.Why do you think so? 6. The mitochondria are small bean-shaped structures with a folded inner membrane. They provide energy for the cell by change sugars into energy. a. What part of the home or person in the home represents the mitochondria? b. Why do you think so? 7. The lysosomes are small round structures. They contain digestive enzymes that break down substances to be recycled or removed. a. What part of the home or person in the home represents the lysosomes? b. Why do you think so? 8. The vacuole is a sac that stores water, food, wastes or other materials for the cell. a. What part of the home or person in the home represents the vacuole? b. Why do you think so? 9. The Golgi body is a structure that packages and prepares proteins for the cell. a. What part of the home or person in the home represents the Golgi body? b. Why do you think so? 10. The Chloroplast is a green structure that converts sunlight, water and carbon dioxide into energy for the cell. a. What part of the home or person in the home represents the chloroplast? b. Why do you think so? 11. The Cell Wall is a structure that is the outer boundary of the home. It provides added protection and support. a. What part of the home or person in the home represents the cell wall? b. Why do you think so? 12. Why does this model of a home represent a plant cell? 11. To make this home represent a animal cell, what rooms, structures or people would have to be missing from the home? Part I: Home On a plain piece of paper, you will sketch, color, and label a home. Each part of the home will be labeled with its name and the name of the cell organelle that has a similar function. Yes No Poor Average Excellent Criteria 1. Sketched on plain paper .5 1 1.5 2. Colored with colored pencils .5 1 1.5 3. Sketch is of a home .5 1 1.5 4. Includes analogy of a cell membrane .5 1 1.5 5. Includes analogy of cytoplasm .5 1 1.5 6. Includes analogy of a nucleus .5 1 1.5 7. Includes analogy of mitochondria .5 1 1.5 8. Includes analogy of Golgi body .5 1 1.5 9. Includes analogy of ribosome .5 1 1.5 10. Includes analogy of vacuole .5 1 1.5 11. Includes analogy of lysosome .5 1 1.5 12. Includes analogy of endoplasmic reticulum .5 1 1.5 13. Includes analogy of chloroplast .5 1 1.5 14. Includes analogy of endoplasmic reticulum .5 1 1.5 Home Points __________/21 Part III Construction Criteria Yes No Poor Average Excellent 1. Glues home to construction paper 2. Completes yes/no column of the rubric 1 1 2 2 3 3 4. Puts name and period on the rubric 1 2 3 5. Submitted with pages 1 and 2 1 2 4 Mobile Points ________/4 Total Cell (36) + Home (36) + Mobile (12) + Worksheet (13) = _________/97 Name of Participant Period ________ Any comments you wish the teacher to know about that might affect your grades. Key Garden - ribosomes Kitchen – golgi apparatus Floor - cytoplasm Pantry – vacuoles Children – Endoplasmic reticulum Bathroom/Composter – lysosomes Heater – mitochondria Security System – Cell membrane Parent/Guardian – nucleus Solar panels - chloroplasts Gate - Cell wall