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Activity 4

Activity 4. What Do Cells Do?. Look at your drawing of a cell from the previous activity. What structures must all cells have in order to function and grow? What are some differences between plant and animal cells?. Read the introduction .

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Activity 4

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  1. Activity 4 What Do Cells Do?

  2. Look at your drawing of a cell from the previous activity. • What structures must all cells have in order to function and grow? • What are some differences between plant and animal cells?

  3. Read the introduction. • Membrane-bound structures inside some cells are called organelles.

  4. Challenge • What are the functions of the structures in cells?

  5. Part A: Computer Simulation • Follow the directions on Student Sheet 4.1, “Structure and Function of Cells,” to complete the simulation.

  6. Use information from the reading about bacterial cells to change or add to your Venn diagram from Part A.

  7. Analysis 2 • A. Describe the structures an animal cell must have for it to produce a protein. • B. Explain how these structures work together to produce a protein.

  8. What functions do all cells – plant, animal, and bacterial cells – need to perform in order to survive? • What structures do all cells have in common in order to perform these functions?

  9. Revisit the Challenge • What are the functions of the structures in cells?

  10. Key Vocabulary • bacteria • cell membrane • cell wall • cilium, cilia • cytoplasm • cytoskeleton • endoplasmic reticulum (ER) • eukaryotic cell • flagellum, flagella • Golgi apparatus • lysosome • nucleus • organelle • prokaryotic cell • ribosome • vacuole • vesicle

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