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oldfinalkey2 - Name Bis098-400(Bis2A Pilot SID Final Exam...

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Name: _____________________________ SID: _____________________________ Bis098-400 (Bis2A Pilot) Final Exam March 16, 2007 Write name, SID, and answers on Scantron 1. Which of the following statements is correct? A. Multicellular organisms can use all the same sources of energy as single-celled organisms, plus also some other sources of energy that are not available to single-cell organisms. B. Multicellularity evolved only once in the history of life on Earth. C. Multicellular organisms have evolved many times from single-cell ancestors. D. A and B. E. A and C. 2. Which of the following does NOT support the endosymbiotic theory: 3. Phospholipids are amphiphilic, having both hydrophilic and hydrophobic parts. The significance of this to the formation of first cells is: 4. What functions do transmembrane proteins perform in the cell? 5. Modern cells are units --- A. Capable of replication (division) B. Enclosed by a membrane C. Able to perform essential metabolic functions. D. A and B E. All of the above
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6. Bacteria are similar to multi-cellular organisms in that: 7. Both prokaryotic and eukaryotic genomes have DNA molecules that are considerably longer then the cells (or organelles) that contain them, but they have evolved different strategies to deal with this problem. Which of the following statements is NOT TRUE
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