Quiz 4
Answer all the questions below and choose the best answers. For some questions, there may be more than one correct answer.
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Which of the following is not a prokaryotic protein expression system? *
10 points
Required
Which of these E. coli strains are used mainly for cloning purpose? *
10 points
Required
Which of the following mutations improves the plasmid yield in E. coli? *
10 points
Required
For an E. coli strain with the genotype of F– ompT hsdSB (rB–, mB–) gal dcm, which of the following statements is true? *
10 points
Required
Which of the following is an inducible promoter in E. coli? *
10 points
Required
Which of the following E. coli strains can be used with a pET plasmid for recombinant protein expression? *
10 points
Required
Which of the following plasmids is used to supply T7 lysozyme to reduce the leakiness of a T7 promoter? *
10 points
Required
Which of the following tags is not intended for affinity protein purification? *
10 points
Required
Which of the following proteases leaves a scar after proteolytic cleavage? *
10 points
Required
Which of the following protein fusion partners cannot be used for protein secretion? *
10 points
Required
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