In E. coli translation, ____ aids with binding of the fMet-tRNA to the 30S subunit while ____ blocks the A site. IF-3; IF-1 IF-1; IF-2 IF-2; IF-1 IF-1; IF-3 IF-2; IF-3
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20. The initiation of translation with the 30S ribosomal subunit in E. coli does not involve which of the following: A. tRNAfmet B. Initiation factors IF-1, IF-2, and IF-3 C. ATP D. GTP E. mRNA with the appropriate Shine-Dalgarno sequence complementary to a sequence found within the 16S rRNA
Marlyn J.
Which of the following correctly describe the sequence of events in the initiation of prokaryotic translation? Initiation tRNA binds to the P site; IF1 and IF3 bind to the small ribosomal subunit; the large and small subunits join; displacement of initiation factors. Displacement of initiation factors; IF1 and IF3 bind to the small ribosomal subunit; initiation tRNA binds to the P site; the large and small subunits join. IF1 and IF3 bind to the small ribosomal subunit; the small subunit complex associates with mRNA around the start codon; initiation tRNA binds to the P site; the large subunit joins and displaces initiation factors. IF1 and IF3 bind to the small ribosomal subunit; initiation tRNA binds to the P site; displacement of initiation factors; the large and small subunits join.
Md.Daniyal A.
The protein that prevents the large subunit from joining prematurely, and also facilitates entry of the appropriate initiator aa-tRNA is called
Adi S.
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