Final Exam Study Guide Fall 07 MCB181R Dr. Jorstad

Final Exam Study Guide Fall 07 MCB181R Dr. Jorstad - MCB...

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MCB 181 Summer 2007 Dr S. Jorstad Some Guidance for the Cumulative Portion of the Final Exam Or Things I Hope You Remember Five Years from Now Topic 1: Nature of Science What is science? How does science differ from other ways of forming opinions about the world? What are science’s limitations? For what kinds of questions is science most appropriate? What kinds of questions can science NOT answer? What do the terms ‘fact’, ‘hypothesis’ and ‘theory’ mean in a scientific context? Can a theory ever become a fact, based on these definitions? What is the difference between methodological and philosophical naturalism? Topic 2: Evolutionary Theory What is the basic outline of the theory of evolution by natural selection? What is the evidence that supports evolutionary theory today? (Don’t forget to include things we talked about subsequently in class, like the genetic code, recombinant DNA technology, the use of model organisms, etc.) In what way is evolution both a ‘theory’ and a ‘fact’? What is the social controversy about evolutionary theory? Is Intelligent Design a scientific theory? Defend your answer. Is there scientific controversy about evolutionary theory? Topic 3: History of Life on Earth What were the impacts of photosynthesizing bacteria on the evolution of life on Earth? (Don’t forget the ozone layer.) The first cells (prokaryotes) appeared 500 million years after the Earth formed (4.5 bya); it took another 2.5 by for eukaryotic cells to evolve, and another billion years for multicellular organisms to appear. Why did multicellularity take so long, and what are the advantages/disadvantages of multicellularity? What are “gaps” in the fossil record? Do they present a problem for evolutionary theory? (Defend your answer.) Topic 4: A Little Chemistry What is the difference between hydrogen bonds and covalent bonds? Give some examples of important bonding accomplished by weak bonds. What is the difference between a polar molecule and a nonpolar molecule? Explain “like is soluble in like” What happens when covalent bonds are broken? (What is released?) What is usually required to build covalent bonds? Topic 5: Macromolecules
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This test prep was uploaded on 04/14/2008 for the course MCB 181 taught by Professor Jorstad during the Fall '07 term at Arizona.

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Final Exam Study Guide Fall 07 MCB181R Dr. Jorstad - MCB...

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