Question: A Use the size bars to measure the cells in
a. Use the size bars to measure the cells in figure 4.32, 4.33, and Insight 4.2.
b. Describe the shapes and arrangements of bacteria in figure 4.23 a, b, e, and f.
Relevant QuestionsUnder the microscope, you see a rod-shaped cell that is swimming rapidly forward. a. What do you automatically know about that bacterium’s structure? b. How would a bacterium use its flagellum for phototaxis? c. Propose ...Suggest some ways that one would go about determining if mitochondria and chloroplasts are a modified prokaryotic cell. Comment on the possible origin of viruses. Is it not curious that the human cell welcomes a virus in and hospitably removes its coat as if it were an old acquaintance? Is there such a thing as a “good virus”? Explain why or why not. Consider both bacteriophages and viruses of eukaryotic organisms. Fill in the following table:
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