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QUESTION 19 A mutation inserts one nucleotide pair in the center of the open reading frame of a gene. Which of the following outcomes do you expect after translation of this gene's MRNA? A a protein in which one amino acid is changed O B. a protein in which three amino acids are changed C a protein in which most amino acids after the site of the insertion are changed D. a protein in which two amino acids are changed O E. no protein at all

QUESTION 19 A mutation inserts one nucleotide pair in the center of the open reading frame of a gene. Which of the following outcomes do you expect after translation of this gene's MRNA? A a protein in which one amino acid is changed O B. a protein in which three amino acids are changed C a protein in which most amino acids after the site of the insertion are changed D. a protein in which two amino acids are changed O E. no protein at all

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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QUESTION 19 A mutation inserts one nucleotide pair in the center of the open reading frame of a gene. Which of the following outcomes do you expect after translation of this gene's MRNA? O A. a protein in which one amino acid is changed O B. a protein in which three amino acids are changed O C. a protein in which most amino acids after the site of the insertion are changed O D. a protein in which two amino acids are changed O E. no protein at all QUESTION 20 An alpha helix is a: O A. secondary structure found in proteins. O B. right-handed twist found in double-stranded DNA. O C. globular structure found in proteins. O D. post-translational modification of certain proteins. O E. helical region found in functional tRNAs. QUESTION 21 The aminoacyl-tRNA synthetase enzymes are responsible for: O A. matching each TRNA with the appropriate mRNA codon. O B. catalyzing the enzymatic step of peptide bond formation during translation. O C. synthesizing TRNA molecules in the nucleus from tRNA genes. O D. adding amino acids to appropriate TRNAS (charging the tRNA). O E. regulating the process of amino acid synthesis.
Transcribed Image Text:QUESTION 19 A mutation inserts one nucleotide pair in the center of the open reading frame of a gene. Which of the following outcomes do you expect after translation of this gene's MRNA? O A. a protein in which one amino acid is changed O B. a protein in which three amino acids are changed O C. a protein in which most amino acids after the site of the insertion are changed O D. a protein in which two amino acids are changed O E. no protein at all QUESTION 20 An alpha helix is a: O A. secondary structure found in proteins. O B. right-handed twist found in double-stranded DNA. O C. globular structure found in proteins. O D. post-translational modification of certain proteins. O E. helical region found in functional tRNAs. QUESTION 21 The aminoacyl-tRNA synthetase enzymes are responsible for: O A. matching each TRNA with the appropriate mRNA codon. O B. catalyzing the enzymatic step of peptide bond formation during translation. O C. synthesizing TRNA molecules in the nucleus from tRNA genes. O D. adding amino acids to appropriate TRNAS (charging the tRNA). O E. regulating the process of amino acid synthesis.
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