Answer one of the following questions.  In your answer, please indicate which question you are answering. Describe 3 basic mechanisms bacteria use to infect the lower GI tract and cause gastroenteritis. Give an example of a bacterium that uses each one. Why does the CDC currently recommend Hep C screening for all adults?  (Describe 3 reasons.)

Which of the following statements is true when Gabi trades with Abbie?

Table 1: The following table contains some production possibilities for an economy for a given year Refer to table 1. If the production possibilities frontier is bowed outward, then what range could x adopt?

To help prevent food poisoning from raw chicken you should: (Check all that apply)

HIV is a retrovirus, which means that the viral genome is composed of _______ and is directly copied into _______ inside the host cell.

Ben and Jerry both live in Vermont. A new-farm-equipment dealer in Vermont bought a new tractor from the manufacturer for $54,000 and sold it to Ben for $60,000. Later that year, Ben sold the tractor to Sydney for $40,000. By how much did these transactions contribute to U.S. GDP for the year? (Recall that GDP measures the market value of final goods…)

Emerging political leader, Kaylee Dots, wins the general election and governs over two terms during 2057-2065. Table 3 below provides hypothetical economic data for 2057-2065, the years over which her policies are likely to be judged. Table 3   Refer to table 3. Which of the following statements about Kaylee Dots’s first term (2057-61) is correct?

Figure 6: demand and supply shifts  Refer to figure 6. Panel (a) shows which of the following?

GDP is not a perfect measure of well-being; for example,

Lexi buys and sells real estate. Two weeks ago, she paid $300,000 for a house on Pine Street, intending to spend $50,000 on repairs and then sell the house for $400,000. Last week, the city government announced a plan to build a new landfill on Pine Street just down the street from the house Lexi purchased. As a result of the city’s announced plan, she is weighing two alternatives: go ahead with the $50,000 in repairs and then sell the house for $290,000, or forgo the repairs and sell the house as is for $250,000. Lexi should