In prokaryotes, translocation of the ribosome to the next codon: a. is caused by peptide bond formation. b. is possible because of the similarity in structure between the EF-Tu-TRNA complex and the EF-G elongation factor. C. OCcurs in three steps, one for each nucleotide in the next codon. d. is powered by ribosomal catalysis of ATP hydrolysis.
In prokaryotes, translocation of the ribosome to the next codon: a. is caused by peptide bond formation. b. is possible because of the similarity in structure between the EF-Tu-TRNA complex and the EF-G elongation factor. C. OCcurs in three steps, one for each nucleotide in the next codon. d. is powered by ribosomal catalysis of ATP hydrolysis.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:In prokaryotes, translocation of the ribosome to the next codon:
a. is caused by peptide bond formation.
b. is possible because of the similarity in structure between the EF-Tu-TRNA complex and the EF-G
elongation factor.
c. occurs in three steps, one for each nucleotide in the next codon.
d. is powered by ribosomal catalysis of ATP hydrolysis.
-) Termination of polypeptide synthesis:
a. is the result in eukaryotes of a single releasing factor, eRF.
b. requires the binding of a complex of RF1 and RF2 to the A site in prokaryotes.
c. requires ATP hydrolysis.
d. requires binding of RF3 to the E site in prokaryotes.
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