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1. How do bacterial cells secrete proteins into their environments? Why does bacteria spend the time and energy to export proteins away from their cells? Explain how this may be beneficial to a pathogen, and to an environmental free-living organism.
2. Compare and contrast the structure of Gram-positive and Gram-negative cell envelopes. Explain thestrengths and weaknesses of each kind of envelope.
3. Many environmental microbes cannot be cultured in laboratory broth or agar media. Why? Explain what might be different from "the wild".
4. Describe at least two antibiotic mechanisms of action in bacteria. Provide examples for all of the named mechanisms.
5. How do bacterial cells protect themselves from osmotic stress when the environment changes? Explain at least two mechanisms, one for hypertonic conditions, and another for hypotonic conditions.
If you started with a cell with four chromosomes, what would happen if sexual reproduction took place for four generations using diploid
What is a skeletal disorder found in adults? Where is its origin, statistical age of affected adult, common signs and symptoms of the conditions?
the acquired antibiotic resistance genes encode what types of proteins that can inhibit the function of antibiotic resistance?
Explain how DNA ultimately controls the functioning of cells (be specific!), and how/why mutations in DNA can disrupt proper functioning.
Which of the following is NOT true of micronutrients in plants? A soil well suited for the growth of most plants would have all of the following EXCEPT: What is the symbiotic association between roots and fungi called?
Research and briefly describe a real world example about how acid rain affects plants. Be sure to demonstrate how pH contributes to the outcome.
what is evolution? Don't look up sources on the internet, or other places. YOUR thoughts on what evolution is.
Explaining how the role of so called "accidental" discoveries played in the history of science. The paper should be creative and interesting, and should be 1500 to 2000 words in length
What principles of genetic variation apply to the topic of gastric cancer and what Bioethical issues are related to gastric cancer?
Trace the evolution of residential lighting in terms of energy conservation.
You try to start your car, but it does not start. Which of these is a hypothesis.
Identify 3 metabolic pathways that are unique to prokaryotes. In one or two sentences, describe the reactants and products of each metabolic pathway.
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