Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 14, Problem 3VCQ
Figure 14.21 A fr am eshift mutation that results in the insertion of three nucleotides is often less deleterious than a mutation that results in the insertion of one
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Which type of mutation involves only one base pair?a. insertionb. deletionc. inversiond. substitution
Which of the following mutations will MOST drastically change the polypeptide sequence for which the DNA codes?
1 base pair change
2 base pair changes
3 consecutive insertions
1 insertion
Which of the following mutations involve the loss of one or more nucleotides from a gene sequence?
A. Deletion
B. Insertion
C. Base-pair substitution
Chapter 14 Solutions
Biology 2e
Ch. 14 - Figure 14.10 In eukaryotic cells, DNA and RNA...Ch. 14 - Figure 14.14 You isolate a cell strain in which...Ch. 14 - Figure 14.21 A fr am eshift mutation that results...Ch. 14 - If DNA of a particular species was analyzed and it...Ch. 14 - The experiments by Hershey and Chase helped...Ch. 14 - Bacterial transformation is a major concern in...Ch. 14 - DNA double helix does not have which of the...Ch. 14 - In eukaryotes, what is the DNA wrapped around?...Ch. 14 - Meselson and Stahl's experiments proved that DNA...Ch. 14 - If the sequence of the 5'-3' strand is AATGCTAC,...
Ch. 14 - How did Meselson and Stahl support Watson and...Ch. 14 - Which of the following components is not involved...Ch. 14 - Which of the following does the enzyme primase...Ch. 14 - In which direction does DNA replication take...Ch. 14 - A scientist randomly mutates the DNA of a...Ch. 14 - The ends of the linear chromosomes are maintained...Ch. 14 - Which of the following is not a true statement...Ch. 14 - During proofreading, which of the following...Ch. 14 - The initial mechanism for repairing nucleotide...Ch. 14 - A scientist creates fruit fly larvae with a...Ch. 14 - Explain Griffith's transformation experiments What...Ch. 14 - Why were radioactive sulfur and phosphorous used...Ch. 14 - When Chargaffwas performing his experiments, the...Ch. 14 - Provide a brief summary of the Sanger sequencing...Ch. 14 - Describe the structure and complementary base...Ch. 14 - Prokaryotes have a single circular chromosome...Ch. 14 - How did the scientific community learn that DNA...Ch. 14 - Imagine the Meselson and Stahl experiments had...Ch. 14 - DNA replication is bidirectional and...Ch. 14 - What are Okazaki fragments and how they are...Ch. 14 - If the rate of replication in a particular...Ch. 14 - Explain the events taking place at the replication...Ch. 14 - What is the role of a primer in DNA replication?...Ch. 14 - Quinolone antibiotics treat bacterial infections...Ch. 14 - How do the linear chromosomes in eukaryotes ensure...Ch. 14 - What is the consequence of mutation of a mismatch...Ch. 14 - An adult with a history of tanning has his genome...
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- A frameshift mutation is caused by a: a. nucleotide substitution b. three-base insertion c. premature stop codon d. one-base insertion e. two-base deletionarrow_forwardNow imagine that a mutation occurred in the second T of the codon below and the T became a G. How would this affect the mRNA and the amino acid for that codon? Old DNA codon Old RNA codon Old amino acid New DNA codon New mRNA codon New amino acid T T G T G G This would be an example of which type of a point mutation?__________________________arrow_forwardNow imagine that a mutation occurred in the g of the codon below and the G became a C. How would this affect the mRNA and the amino acid for that codon? Old DNA codon Old RNA codon Old amino acid New DNA codon New mRNA codon New amino acid A T G A T C This would be an example of which type of a point mutation?__________________________arrow_forward
- Now imagine that a mutation occurred at the first G in the DNA sequence above and the G became a C. How would this affect the mRNA and the amino acid for that codon? Old DNA codon Old RNA codon Old amino acid New DNA codon New mRNA codon New amino acid T T G T T C This would be an example of which type of a point mutation?__________________________arrow_forwardWhich of the following mutations involve the loss of one or more nucleotides from a gene sequence? a.Base-pair substitution b.Insertion c.Deletionarrow_forwardFinally, imagine that a mutation occurred in the codon below and an A was inserted between the two Ts. How would this affect the mRNA and the amino acid for that codon? Old DNA codon Old RNA codon Old amino acid New DNA codon New mRNA codon New amino acid T T G T A T G This would be an example of which type of a mutation?__________________________arrow_forward
- Which of the following statements about a transition mutation in the sequence CGG is true? sequenceIt could result in a single base substitution to give the new codon CCG. It could result in a single base substitution to give the new sequence AGG. It could result in a single base substitution to give the new sequence TGG. A transition mutation in the sequence CGG would always be silent. It could result in a single base substitution to give the new sequence GGG.arrow_forwardFigure 2 illustrates a type of gene mutation. a) State the type of gene mutation shown in Figure 2. b) Name the genetic disorder that would arise from this mutation. c) What is the difference(s) between gene mutation shown in Figure 2 from a frameshift mutation?arrow_forwardShown below is a DNA coding strand. A base (*G*) mutates to Adenine (A). What will be the resulting amino acid sequence as a result of the mutation? What type of mutation occured? Hint: Determine the template, then first determine the amino acid sequence before the mutation, and then determine the amino acid sequence after the mutation. Show how you got your answer. 5' T-A-C-T-T-C-C-A-*G*-C-C-G-C-T-C 3'arrow_forward
- If the first G changes to A what kind of mutation will happen? Show the change in amino acid sequence. This is base substitutions involve the replacement of one nucleotide with another. And it changes one amino acid coding, producing a missense mutation TAC CTA GCA CAC ATGTAGGTGGGCAAAGTT TAC CTA ACACACATGTAGGTGGGCAAAGTTarrow_forwardIf a nucleotide is replaced by a different nucleotide, this is called a(n) _________mutation.________mutations occur if nucleotides are added in the middle of a gene._________ mutations occur if nucleotides are removed from the middle of a gene.arrow_forwardWhat do you have a nucleotide triplet codes for codon for UGU ? Identify a base pair substitution that would produce a silent mutation at this codon. Identify a base substitution that would result in a missense mutation at this codon. Identify a base pairing substitution that could produce a non-sense mutation add this codon .arrow_forward
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