Could the Gram stain be used to diagnose the flu? Why or why not?
Answer to relevant QuestionsEvaluate the following preparations in terms of showing microbial size, shape, motility, and differentiation: spore stain, negative stain, simple stain, hanging drop slide, and Gram stain. Propose a hypothesis to explain how bacteria and archaea could have, together, given rise to eukaryotes. Using figure 4.22 as a guide, label the stages in the endospore cycle shown in the figure, and explain the events depicted. 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? How are computer viruses analogous to real viruses?
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