EXAM 2.docx – EXAM 2 1 In the Stringent Response bacterial rRNA tRNA and protein synthesis temporarily cease in response to depleted nutrients in the

EXAM 21.In the Stringent Response, bacterial rRNA, tRNA, and protein synthesis temporarilycease in response to depleted nutrients in the cell. The stringent response is initiated inthe cell due to:a.an excess of aminoacyl-tRNA that accumulates due to a block in translationb.accumulation of cyclic-AMP in the cellc.metabolite inhibition of isoenzyme function in biosynthesis pathwaysd.formation of a stem loop in the mRNA during translation due to a lack of aminoacidse.insertion of an uncharged tRNA into the ribosome A-site during protein synthesis

2.In order to fold properly to assemble into larger complexes, many proteins requireassistance from other proteins called: CHAPERONES, GroEL/GroES3.Proteins interact predominantly within which portion of the DNA molecule?

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4.In continuous culture in a chemostat, D>umax, implies what condition?

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5.In the chemotaxis response of E. coli, Methyl-accepting Chemotaxis Proteins (MCPs)

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6.The shape of a bacillus (rod) is conferred primarily by:a.Peptidoglycanb.MreBc.FtsZd.The cytoplasmic membranee.The orientation of the flagella

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