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Researchers Are Screening Bacterial Chromosomes for Mutations Affecting Protein Function

Question 250

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Researchers are screening bacterial chromosomes for mutations affecting protein function.  After using DNA sequencing analysis and analyzing the gel electrophoresis results, they identify a sequence with a single point mutation in which the fourth nucleotide has been changed from adenine to cytosine.  The sequence is shown below.5′-TTACG-3′Which of the following gel electrophoresis diagrams obtained from DNA sequencing analysis represents this sequence?


A) Researchers are screening bacterial chromosomes for mutations affecting protein function.  After using DNA sequencing analysis and analyzing the gel electrophoresis results, they identify a sequence with a single point mutation in which the fourth nucleotide has been changed from adenine to cytosine.  The sequence is shown below.5′-TTACG-3′Which of the following gel electrophoresis diagrams obtained from DNA sequencing analysis represents this sequence? A) B) C) D)
B) Researchers are screening bacterial chromosomes for mutations affecting protein function.  After using DNA sequencing analysis and analyzing the gel electrophoresis results, they identify a sequence with a single point mutation in which the fourth nucleotide has been changed from adenine to cytosine.  The sequence is shown below.5′-TTACG-3′Which of the following gel electrophoresis diagrams obtained from DNA sequencing analysis represents this sequence? A) B) C) D)
C) Researchers are screening bacterial chromosomes for mutations affecting protein function.  After using DNA sequencing analysis and analyzing the gel electrophoresis results, they identify a sequence with a single point mutation in which the fourth nucleotide has been changed from adenine to cytosine.  The sequence is shown below.5′-TTACG-3′Which of the following gel electrophoresis diagrams obtained from DNA sequencing analysis represents this sequence? A) B) C) D)
D) Researchers are screening bacterial chromosomes for mutations affecting protein function.  After using DNA sequencing analysis and analyzing the gel electrophoresis results, they identify a sequence with a single point mutation in which the fourth nucleotide has been changed from adenine to cytosine.  The sequence is shown below.5′-TTACG-3′Which of the following gel electrophoresis diagrams obtained from DNA sequencing analysis represents this sequence? A) B) C) D)

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