Fall Exam 1 - Biol 101 Test 1 DeSaix Sept 11 2007 Name...

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Biol. 101 Test 1 – DeSaix Sept. 11, 2007 Name ______________________ Print your name, last name first, and your PID number legibly on your answer sheet. Bubble in both below. Each answer is worth 2 points. Always choose one best answer and use only number 2 pencils to fill in your answers. Be sure to sign the pledge on your answer sheet. The last question will be used only if another question has to be deleted. Turn in your answer sheet in alphabetical order at the front of the room. Keep your test paper with answers to check against the key so that you will know what you have missed. The key will be posted after the test. ____ 1. Which of the following kingdoms contain prokaryotes? 1) Monera and Protista 2) Fungi and Monera 3) Monera only 4) Archaea and Eukarya 5) Plants and animals. For questions 2-8, choose one of the following to apply: 1) Protein 2) Carbohydrates 3) Lipids 4) DNA. ____2. Sugar ____3. Fat insulation ____4. Contain amino acids ____5. Peptidase (an enzyme) ____6. Waxes ____7. Contain peptide bonds ____8. Starches ____9. Which of the following can affect the rate of an enzyme-catalyzed reaction? 1) temperature 2) pH 3) competitive inhibitors 4) noncompetitive inhibitors 5) All of the choices are correct. The following information applies to questions 10, 11, 12 and 13: Vietnam veterans who participated in a defoliation program were exposed to large amounts of a substance known as Agent Orange. This material was contaminated with a known toxin called TCDD (one of the most toxic forms of dioxin). To measure veterans’ levels of TCDD, blood tests were conducted. It was found that 150 tested Vietnam veterans had average blood levels of TCDD 10 times higher than the average of 50 service men who had served in Southeast Asia during World War II. (Agent Orange was not used during World War II.) Five Vietnam veterans had blood levels 40 to 60 times higher than the World War II veterans. ___10. From this you may conclude that: 1) exposure to Agent Orange significantly increased the amount of TCDD in the bodies of Vietnam veterans. 2) the 50 service men who served in Southeast Asia during World War II were an appropriate control group for comparing with the Vietnam veterans. 3) the study is definitive (gives an adequate answer). 4) an adequate control was not provided by this sampling design, since Agent Orange was not used during World War II. 5) an adequate control was not provided by this sampling design since World War II veterans were much older than the Vietnam veterans. ___11. Which description provides an adequate control with which to compare veterans’ TCDD levels? 1) military personnel serving in Europe. 2) military personnel serving in areas of Southeast Asia where Agent Orange was not used and who have been matched to the Vietnam veterans for age, weight, and smoking and drinking habits. 3) civilians in the United States using Agent Orange and who have been matched to the Vietnam veterans for age, weight, and smoking and drinking habits. 4) civilians in the United States manufacturing Agent Orange. 5) civilians in the United States with no known exposure to Agent Orange.
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