Compare and contrast the activity of DNA and RNA polymerases. What is the function of each? What are the substrates of each? What is the main difference in the behavior of the two polymerases?
Answer to relevant QuestionsWhat would be the result (in terms of protein synthesis) if RNA polymerase initiated transcription one base upstream of its normal starting point? Why? What would be the result (in terms of protein synthesis) if translation ...Concerning the pH of the environment and of the cell, in what ways are acidophiles and alkaliphiles different? In what ways are they similar? Contrast the action of disinfectants and antiseptics. Disinfectants are not used on living tissue; why not? 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? What are pathogenicity islands and why are they important?
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