What are aminoacyl-tRNA synthetases and what types of reactions do they carry out? How does a synthetase recognize its correct substrates?
Answer to relevant QuestionsDefine the types of protein structure: primary, secondary, tertiary, and quaternary. Which of these structures are altered by denaturation? A structure commonly seen in circular DNA during replication is the theta structure. Draw a diagram of the replication process and show how a theta structure could arise. Examine the graph describing the relationship between growth rate and temperature. Give an explanation, in biochemical terms, of why the optimum temperature for an organism is usually closer to its maximum than its minimum. Describe the procedure for obtaining the minimum inhibitory concentration (MIC) for a chemical that is bacteriocidal for Escherichia coli. Escherichia coli but not Pyrolobus fumarii will grow at 40° C, while P. fumarii but not E. coli will grow at 110° C. What is happening (or not happening) to prevent growth of each organism at the nonpermissive temperature?
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