Question 7 The percentage of active pesticide ingredients that have been tested for chronic health effects is 100% <10% 30% 50% 70% 1 pts
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Pyrethroid insecticides have replaced organophosphate insecticides as the most used urban insecticides. Some researchers have suggested that pyrethroid insecticides are endocrine system disruptors because they can induce transcription of the estrogen receptor. However, empirical studies of estrogen receptor induction using the in vitro test system known as the luciferase enzyme assay show large differences in potency between estradiol and at least four pyrethroid insecticides. For example, estradiol at a concentration of 10E-09 (10-9) M (molar) induces an approximately four-fold increase in estrogen receptor transcription, but the same fold induction by a pyrethroid insecticide requires at least 10E-05 (10-5) M. Which newspaper headline below most accurately reflects the results of the published experiment? Pyrethroid insecticides, ubiquitously present in households, have nearly equal potency as the natural hormone estrogen. Pyrethroid insecticides, ubiquitously present in households, are turning boys into girls through interactions with our endocrine system. Pyrethroid insecticide potency as an endocrine disruptor causes uncertainty for homeowners. Pyrethroid insecticides are ubiquitous in homes but research shows potency is thousands of times lower than natural hormones. Pyrethroid insecticides are ubiquitous in homes but have replaced hazardous neuroactive insecticides once used as nerve gases. Pyrethroid insecticides at low parts per billion levels shown to affect endocrine system physiology. Question 2 Which of the following Federal agencies has the legal authority to determine whether a GMO cultivar can be grown anywhere by virtue of awarding non-regulated status? EPA FDA HHS WSDA USDA DOI FWS NOAA Question 3 Of all the concerns expressed by advocacy groups about the use of genetically modified organisms, which of the following is not a testable hypothesis? GMO crops are not substantially equivalent to non-GMO crops with respect to basic nutrient composition. GMO crops contain compounds that can be allergens. Gene flow between GMO crops and their wild ancestors is a form of pollution that causes loss of biodiversity. GMO crops promote unsustainable agricultural practices. GMO crops are responsible for an increase in gluten intolerance in the U.S. Question 4 Vermont was the first U.S. state to legislatively pass a law that will require labeling of fresh and processed foods containing or made with genetically engineered plants. The threshold of detection for any type of genetically engineered gene or protein that would trigger labeling is the same as that used by the European Union. What percentage GMO composition of a food would trigger the need for a GMO warning labeling in Vermont? In other words, what is the threshold for detection of GMO ingredients that would require labeling? [______] Question 5 The division of EPA that registers pesticides is named the Office of _______ ________(2 words). Within this division, the subdivision that identifies the health hazards and determines the reference dose is called the _________ ________ (2 words) Division.
Adi S.
Kari H.
On average, a certain pesticide contains 2% toxic material. Batches of the pesticide that contain too little or too much of the material cannot be approved for retail sale. In a random sample of 80 batches of the pesticide, the mean amount of toxic material was 1.93% with a standard deviation of 0.2% (or 0.0193 and 0.002). Do the data indicate that the mean amount of toxic material in the pesticide differs from 2%? Use a significance level of 5% for the hypothesis test AND a 95% confidence interval to justify your claim.
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