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29) Which one of the following statements about RNA processing is correct? A) Exons are cut out before mRNA leaves the nucleus. B) Ribozymes may function in RNA splicing. C) RNA splicing can be catalyzed by TRNA.

29) Which one of the following statements about RNA processing is correct? A) Exons are cut out before mRNA leaves the nucleus. B) Ribozymes may function in RNA splicing. C) RNA splicing can be catalyzed by TRNA.

Human Anatomy & Physiology (11th Edition)
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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D) A primary transcript is often much shorter than the final RNA molecule that leaves the nucleus. 30) How does the primary transcript in the nucleus of a eukaryotic cell compare to the functional MRNA? A) the primary transcript is the same size as the mRNA O the primary transcript is larger than the mRNA C) the primary transcript is smaller than the mRNA D) both the primary transcript and mRNA contain introns 31) How does the primary transcript in the nucleus of a prokaryotic cell compare to the functional mRNA? sthe primary transcript is larger than the mRNA B) the primary transcript is smaller than the mRNA C) the primary transcript and the mRNA both contain introns the primary transcript is the same size as the mRNA 32) A particular triplet of bases in the coding sequence of DNA is AAA. The anticodon on the TRNA that binds the mRNA codon is A) TTT B) UUA UUU D) AAA 33) Accuracy in the translation of MRNA into the primary structure of a polypeptide depends on specificity in the A) binding of ribosomes to mRNA B) binding of the anticodon to small subunit of the ribosome C) attachment of amino acids to rRNAs binding of the anticodon to the codon and the attachment of amino acids to TRNAS 34) What would be the consequence of a mutation in a bacterial cell that produces a defective aminoacyl-TRNA synthetase that attaches a lysine instead of the normal phenylalanine to TRNA with the anticodon AAA? A) None of the proteins in the cell will contain phenylalanine.
Transcribed Image Text:D) A primary transcript is often much shorter than the final RNA molecule that leaves the nucleus. 30) How does the primary transcript in the nucleus of a eukaryotic cell compare to the functional MRNA? A) the primary transcript is the same size as the mRNA O the primary transcript is larger than the mRNA C) the primary transcript is smaller than the mRNA D) both the primary transcript and mRNA contain introns 31) How does the primary transcript in the nucleus of a prokaryotic cell compare to the functional mRNA? sthe primary transcript is larger than the mRNA B) the primary transcript is smaller than the mRNA C) the primary transcript and the mRNA both contain introns the primary transcript is the same size as the mRNA 32) A particular triplet of bases in the coding sequence of DNA is AAA. The anticodon on the TRNA that binds the mRNA codon is A) TTT B) UUA UUU D) AAA 33) Accuracy in the translation of MRNA into the primary structure of a polypeptide depends on specificity in the A) binding of ribosomes to mRNA B) binding of the anticodon to small subunit of the ribosome C) attachment of amino acids to rRNAs binding of the anticodon to the codon and the attachment of amino acids to TRNAS 34) What would be the consequence of a mutation in a bacterial cell that produces a defective aminoacyl-TRNA synthetase that attaches a lysine instead of the normal phenylalanine to TRNA with the anticodon AAA? A) None of the proteins in the cell will contain phenylalanine.
1 E2 12 E3 13 E4-3' 29) Which one of the following statements about RNA processing is correct? A) Exons are cut out before mRNA leaves the nucleus. B) Ribozymes may function in RNA splicing. C) RNA splicing can be catalyzed by tRNA.
Transcribed Image Text:1 E2 12 E3 13 E4-3' 29) Which one of the following statements about RNA processing is correct? A) Exons are cut out before mRNA leaves the nucleus. B) Ribozymes may function in RNA splicing. C) RNA splicing can be catalyzed by tRNA.
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