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
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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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.
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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