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Activity 3

Activity 3. What Is a Cell?. Write or sketch your responses in your science notebook:. What do cells look like? What are cells made of? What do cells do?. Read the Introduction. With your group, write three analogies that describe cells in terms of common objects. Challenge.

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Activity 3

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  1. Activity 3 What Is a Cell?

  2. Write or sketch your responses in your science notebook: • What do cells look like? • What are cells made of? • What do cells do?

  3. Read the Introduction. • With your group, write three analogies that describe cells in terms of common objects.

  4. Challenge • What are the similarities and differences in cells from various living organisms?

  5. As you view the slides, think about the similarities and differences in the various types of cells. • Label your drawings carefully, including the magnification you are using.

  6. Analysis 4 • Use what you have learned about cells to record the unique features of the cells of each group of organisms in the appropriate space. Record any common features between groups in the spaces created by overlaps.

  7. Based on your observations, can you conclude for certain which cells do and do not have a nucleus?

  8. Analysis 5 • Based on the Venn diagram you created, what features are common to all cells?

  9. Revisit the Challenge • What are the similarities and differences in cells from various living organisms?

  10. Key Vocabulary • antibiotic • bacteria • cell • latent • macrophage • multicellular organism • protist • single-celled organism • tuberculosis

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