In a few sentences, explain how a motile bacterium is able to sense the direction of an attractant and move toward it.
Answer to relevant QuestionsIn the experiment described in Figure, what is the control and why is it essential? What are the functions of the following eukaryotic cell structures: endoplasmic reticulum, Golgi complex, and lysosomes? Assume you are given two cultures, one of a species of gram-negative Bacteria and one of a species of Archaea. Discuss at least four different ways you could tell which culture was which. What are R plasmids and why are they of medical concern? Examine the graph describing the relationship between growth rate and temperature. Give an explanation, in biochemical terms, of why the optimum temperature for an organism is usually closer to its maximum than its minimum.
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