In the experiment described in Figure, what is the control and why is it essential?
Answer to relevant QuestionsList at least three features of eukaryotic cells that clearly differentiate them from prokaryotic cells. What are histones and what do they do? What is the major advantage of electron microscopes over light microscopes? What type of electron microscope would be used to view the three- dimensional features of a cell? Calculate the amount of time it would take a cell of Escherichia coli (1 x 2 mm) swimming at maximum speed (60 cell lengths per second) to travel all the way up a 3-cm-long capillary tube containing a chemical attractant. With reference to DNA, what is meant by the terms semiconservative, complementary, and antiparallel? Describe a habitat where you would find a psychrophile, and one where you would find a hyperthermophile. How can these organisms survive under such harsh conditions?
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