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Question 1. Explain the difference between homeostasis and disease? What is the difference between a chronic disease and an acute diseases? Can all diseases be cured (explain and give example)? Amy's blood glucose remains elevated and rarely returns to normal. Why is this departure from homeostasis an important observation?
Question 2. Why is AIDS (acquired immunodeficiency syndrome) considered a syndrome and not a disease? How is HIV transmitted and how can transmission be reduced or prevented? Why is HIV's attack on helper T cells so devastating to the entire immune system? Clark's doctor explains that even though Clark has HIV/AIDS, he will not die from AIDS. Explain.
Question 3. What causes the signs and symptoms of inflammation? List and discuss the six agents capable of stimulating an inflammatory response. Elle takes anti-inflammatory drugs and analgesics to ease the pain and discomfort of rheumatoid arthritis. She knows these drugs will not cure the disease, yet her doctor prescribed them. Explain why.
Question 4. What are the five classes of immunoglobulins and their function? Why does the body make five different classes of immunoglobulins? Immunologically speaking, is it likely a patient will catch a cold caused by the same virus twice? Please explain your answer.
Explain in detail how the movement of sodium (Na+) down its concentrationgradient is involved in four very different biological processes: sea urchin fertilization
Darwin found that the faunas and floras of oceanic islands tend to be impoverished and unbalanced when compared to those of continental islands. Explain what this means (2) and provide examples of this difference (1). Outline the evolutionary expl..
Review the background information on each of the pollutants covered under the NAAQS and, based on the available information and considering the questions you addressed above, indicate which ambient air pollutant you believe should be a national re..
Why are pig's hearts used in most heart transplants involving human recipients? Name the complications observed in using pig's heart for transplant.
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What part of a eukaryotic gene might be similar between 2 genes, indicating that the 2 genes are expressed at similar times and in similar tissues in humans?
Draw the germ layers of a diploblast and a triploblast organism and on each, label the endoderm, ectoderm, and mesoderm where appropriate.
Identify the elements and the number of atoms of each element in each of the following compounds.
Differentiate between ectoderm, mesoderm and endoderm and list what tissues arise from each.
What is the relationship between the Endomembrane System, Insulin and Insulin Receptor, activation by phosphorylation, membrane-bound polyribosomes
Explain why the PPP enzymes are highly expressed in these tissues/cells?
Explain why restriction enzyme and gel electrophoresis are valuable tools in the molecular biology lab. What factors (aside from size) could influence the migration speed of dna fragments in gel electrophresis? The respiratory centers that control ve..
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