For what contributions are Robert Hooke and Antoni van Leeuwenhoek most remembered in microbiology? What time period were these scientists active?
Answer to relevant QuestionsExplain the principle behind the Pasteur flask in studies on spontaneous generation. Why were the results of this experiment inconsistent with the theory of spontaneous generation? Imagine that all microorganisms suddenly disappeared from Earth. From what you have learned in this chapter, why do you think that animals would eventually disappear from Earth? Why would plants disappear? By contrast, if ...In a few sentences, indicate how the bacterial endospore differs from the vegetative cell in structure, chemical composition, and ability to resist extreme environmental conditions. How are the mitochondrion and the hydrogenosome similar structurally? How do they differ? How do they differ metabolically? Calculate the surface-to-volume ratio of a spherical cell 15 mm in diameter and of a cell 2 mm in diameter. What are the consequences of these differences in surface-to-volume ratio for cell function?
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