ExamTHREEStudyQuestionFall2008

ExamTHREEStudyQuestionFall2008 - ISB 202 Exam 3 Study...

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ISB 202 Exam 3 Study Questions Fall Semester 2008 1. Do viruses fit the definition of a living organism? 2. Can a virus replicate by itself? 3. What protease (protein that is an enzyme) is absent or found in only small amounts with many people who have cancer? 4. What is a benign tumor? 5. Are oncogenes “good?” Why or why not? 6. What does the term “metastasized” mean? 7. About 90% of all lung cancer is preventable. True or False 8. What does the term “carcinogen” mean? 9. What is the most common form of cancer in humans in the U.S.? 10. What can cause diseases AND also cancer? (Is it an organism?) 11. Ultraviolet light can cause skin cancer by damaging the cells’ DNA. What change occurs? 12. What are three ways carcinogens get into humans? 13. What kind of cancer is very common in men, but never occurs in women? 14. Can men get breast cancer? 15. Smoking is responsible for about 30% of all cancers in the U.S. TRUE!! 16. Carcinogens are found in tiny amounts all around us, including many of our food. T or F 17. A fast-growing “mole” on your skin should be checked out immediately, especially if it shows what four characteristics (ABCD)? 18. Bacteria are the oldest organisms on Earth. Did the archae or the eubacteria likely gave rise to protistans, fungi, animals and plants? 19. About how fast (on average) do bacteria divide? 20. If they divide so fast, why don’t they take over the world? (What limits them?) 21. Can fungi kill bacteria? Can bacteria kill fungi?
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22. When told to take an antibiotic for 10 days, why is it foolish to stop after only 5 days when you feel better? 23. What shape is a coccus bacteria? A spirillum? A bacillus? 24. Bacteria are diploid and get one chromosome from each parent. True or False 25. Do bacteria even have parents? 26. As a group, bacteria have very diverse ways of getting nutrition for themselves. True or False 27. Bacteria are a problem mostly when they become a colony of millions (as opposed to just a single individual). True or False 28. What are the two main types of structures that bacteria may have to help them move about? 29. We are beginning to learn more about the nature of “extremophile” bacteria.
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This note was uploaded on 04/29/2009 for the course HB 265 taught by Professor Jaemincha during the Spring '09 term at Michigan State University.

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ExamTHREEStudyQuestionFall2008 - ISB 202 Exam 3 Study...

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