311C_F10_Study guide_exam 2

311C_F10_Study guide_exam 2 - Some study guide questions...

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Some study guide questions for Exam 2 Chapters 6 and 16 + parts of chapters 17, 25, 27 Chapters 6, 25, 27: 1) What is chemical evolution? 2) Was the atmosphere in early earth assumed to be oxidizing or reducing? 3) Know the experiment, results and conclusions of the Miller Urey experiment (Fig 4.2) 4) What are the three domains of life? 5) Compare and contrast Bacteria, Archaea and Eukarya with respect to characteristics discussed in class. 6) What is the bacterial cell wall made up of? Is this present in Archaea and Eukaryotes? 7) What extracellular structures are present outside the cell wall in certain bacteria? 8) What are the functions of the following in bacteria: plasma membrane, gas vacuole, endospore, cell wall, flagella, fimbriae, pili, nucleoid, ribosomes. 9) What is a plasmid? 10) Do bacteria have organelles? Are ribosomes present in Bacteria and Archaea? 11) What are the energy sources in photoautotrophs and chemoautotrophs? What is their carbon source? 12) What are the energy and carbon sources in photoheterotrophs and chemoheterotrophs? 13) What are the three groups of Archaea? What are their characteristics? 14) What is unique about Archaeal membrane lipids? 15) What are the similarities and differences between prokaryotic and eukaryotic cells? 16) What are the different types of light microscopes? 17) What are the different types of electron microscopes? 18) How do electron and light microscopes differ? Which has greater magnification and resolution? 19) If given an electron micrograph (from chapter 6) be able to identify whether it is a picture taken using SEM or TEM 20) Know the different units of measurement discussed. Be able to do simple conversions. NO CALCULATORS ALLOWED!
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