section13

section13 - MIT Department of Biology 7.014 Introductory...

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MIT Department of Biology 7.014 Introductory Biology, Spring 2005 Recitation Section 13 March 28-29, 2005 Biogeochemical Cycles—Carbon and Energy Metabolism A. Carbon and Energy Options 1. What two things are required by every organism for growth? 2. With respect to how organisms acquire organic carbon, we classify them into two groups. What are those groups? 3. What metabolic process is common to all organisms? What is the result of this process? 4. In addition to the process in 3, autotrophs also perform another function. What is it? 5. Fill in the table below with the various options for life we have encountered in 7.014. You need to indicate conditions and resulting processes, as well as the sources of carbon and electrons for each process. CO 2
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B. Problem Solving As an aspiring biogeochemist, you set out on an ambitious search for previously uncharacterized microorganisms. You go down to your local swamp and return with 3 different bacteria. You’re not sure what these bacteria need in order to grow, but since the swamp is pretty stinky you try
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This note was uploaded on 01/19/2012 for the course BIOL 7.014 taught by Professor Walker during the Spring '05 term at MIT.

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section13 - MIT Department of Biology 7.014 Introductory...

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