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A highly-virulent pathogen is reproducing in the host most quickly, so it should “win,” and therefore most pathogens should evolve to be highly virulent. Why don’t they? A. Pathogens don’t evolve like other living things.B. A highly virulent pathogen may be less likely to infect more humans if it disables […]

1. Mention 5 nonthermal technologies to process foods and thoroughly describe all of them. 2. Explain the Preservation of Foods by Oscillating Magnetic Fields. Please provide a critical evaluation of this technology. Explain the possible mechanism of microbial inactivation by this approach. 3. Sketch the design of a plant to […]

1. Identify three special population groups in the U.S. and explain some of the major health care issues that are unique to each group. Providing examples, analyze the efforts of the U.S. health care system to address the needs of these special population groups. Do you think that the U.S. […]

Cephalization and development of the brain were important steps in animal evolution. (a) Discuss the evolutionary origin and adaptive significance of cephalization in animal phyla. (b) Describe the development of the nervous system in the vertebrate embryo. (c) At the sound of shattering glass, people quickly turn their heads. Discuss […]