30 Questions
What is the function of EF-Ts in protein translation?
It regenerates EF-Tu-GTP
What is the catalytic component of the ribosome responsible for peptide bond formation?
PT ribozyme
Which subunit of the ribosome contains the PT ribozyme in bacteria?
50s subunit
What is the function of translocase in protein translation?
It catalyzes translocation
What is the role of EF-Tu in protein translation?
It delivers aminoacyl-tRNA to the ribosome
Which site on the ribosome does the peptidyl tRNA move to during translocation?
P-site
Which site on the ribosome does the free tRNA move to during translocation?
E-site
What is the effect of an antibiotic that inhibits translocation?
It prematurely terminates translation
What is the energy source for translocation during protein translation?
GTP
What is the function of EF-Ts in the regeneration of EF-Tu-GTP?
It replaces GDP with GTP on EF-Tu
What is the function of EF-Ts in protein translation?
It regenerates EF-Tu-GTP
What is the catalytic component of the ribosome responsible for peptide bond formation?
PT ribozyme
Which subunit of the ribosome contains the PT ribozyme in bacteria?
50s subunit
What is the function of translocase in protein translation?
It catalyzes translocation
What is the role of EF-Tu in protein translation?
It delivers aminoacyl-tRNA to the ribosome
Which site on the ribosome does the peptidyl tRNA move to during translocation?
P-site
Which site on the ribosome does the free tRNA move to during translocation?
E-site
What is the effect of an antibiotic that inhibits translocation?
It prematurely terminates translation
What is the energy source for translocation during protein translation?
GTP
What is the function of EF-Ts in the regeneration of EF-Tu-GTP?
It replaces GDP with GTP on EF-Tu
What is the function of EF-Ts?
It regenerates EF-Tu-GTP
Which site is responsible for peptide bond formation?
A-site
What is the function of peptidyl transferase (PT)?
It catalyzes peptide bond formation
What is the ribozyme responsible for catalyzing peptide bond formation in bacteria?
23s rRNA of 50s subunit
What is the ribozyme responsible for catalyzing peptide bond formation in eukaryotes?
28s rRNA in 60s subunit
What is the function of translocase?
It catalyzes translocation
Which tRNA site is responsible for holding the growing polypeptide chain?
P-site
Which tRNA site is responsible for holding the next amino acid to be added to the polypeptide chain?
A-site
What happens to the free tRNA after translocation?
It moves to the 'E-site' and exits
What is the consequence of an antibiotic inhibiting translocation?
It inhibits EF-Ts
Test your knowledge on the mechanisms involved in peptide bond formation and translocation during translation with this informative quiz. Learn about the role of EF-Ts in regenerating EF-Tu-GTP and the catalytic activity of peptidyl transferase (PT) ribozymes in both bacteria and eukaryotes. Sharpen your understanding of these essential processes in protein synthesis with this quiz.
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