Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 15, Problem 7TYU
Summary Introduction
Concept introduction: DNA sequencing is used to determine the exact arrangement of the
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Human DNA and a particular plasmid both have sites that are cut by the restriction enzymes HindIII and EcoRI. To make recombinant DNA, the scientist should (a) cut the plasmid with EcoRI and the human DNA with HindIII (b) use EcoRI to cut both the plasmid and the human DNA (c) useHindIII to cut both the plasmid and the human DNA (d) a or b (e) b or c
Which of the following best explains the production of Okazaki fragments in replicating DNA
(a) DNA is stressed when it unwinds (b) DNA is anti-parallel and can only be synthesized 5’ to 3’ (c) DNA contains once less oxygen in its sugar while RNA has an OH attached to its 2’ carbon (d) Template strands are complementary and have a tendency to reform hydrogen bonds (e) both a and d
The linking of the 5’ end of one Okazaki fragment with the 3’ end of an adjacent Okazaki fragment occurs by means of
(a) DNA polymerase I (b) DNA polymerase III (c) DNA ligase (d) DNA topoisomerase (e) Primase
Chapter 15 Solutions
Biology (MindTap Course List)
Ch. 15.1 - Prob. 1LOCh. 15.1 - Explain how gel electrophoresis is used to...Ch. 15.1 - Describe how PCR is used to amplify a specific...Ch. 15.1 - Compare the possible differences between a...Ch. 15.1 - Prob. 1CCh. 15.1 - Different forms of a protein are produced in the...Ch. 15.1 - What advantages does the PCR method have over gene...Ch. 15.2 - Describe the features of a typical CRISPR locus in...Ch. 15.2 - Explain the function of CRISPR in bacterial cells.Ch. 15.2 - Compare CRISPR-based endonucleases with...
Ch. 15.2 - Prob. 8LOCh. 15.2 - Prob. 1CCh. 15.2 - Prob. 2CCh. 15.2 - Prob. 3CCh. 15.3 - Prob. 9LOCh. 15.3 - Prob. 10LOCh. 15.3 - Discuss how qPCR, DNA microarrays (DNA chips), and...Ch. 15.3 - Explain how you would compare the expression of a...Ch. 15.3 - Prob. 2CCh. 15.4 - Describe how genome-wide association studies have...Ch. 15.4 - Explain how targeted gene silencing and knockout...Ch. 15.4 - Prob. 1CCh. 15.5 - Describe at least one important application of DNA...Ch. 15.5 - Prob. 1CCh. 15.5 - What are short tandem repeats (STRs), and why are...Ch. 15.5 - Why do gene targeting and mutagenesis screening in...Ch. 15.6 - Prob. 15LOCh. 15.6 - Prob. 16LOCh. 15.6 - Prob. 1CCh. 15.6 - Prob. 2CCh. 15.7 - Describe at least two safety issue associated with...Ch. 15.7 - What are some of the environment concerns...Ch. 15 - A plasmid (a) can be used as a DNA vector (b) is a...Ch. 15 - DNA molecules with complementary sticky ends...Ch. 15 - Prob. 3TYUCh. 15 - Which technique rapidly replicated specific DNA...Ch. 15 - Prob. 5TYUCh. 15 - A cDNA clone contains (a) introns (b) exons (c)...Ch. 15 - Prob. 7TYUCh. 15 - Gel electrophoresis separates nucleic acids on the...Ch. 15 - A CRISPR locus in a bacterium contains (a) short...Ch. 15 - DNA molecular with complementary sticky ends...Ch. 15 - These highly polymorphic molecular markers are...Ch. 15 - Prob. 12TYUCh. 15 - Prob. 13TYUCh. 15 - Prob. 14TYUCh. 15 - EVOLUTION LINK DNA technology, such as the...Ch. 15 - SCIENCE, TECHNOLOGY, AND SOCIETY What are some...
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- What is the purpose of the dideoxynucleotide triphosphates in the Sanger sequencing reaction? A) The ddNTP prevents the denatured DNA in a sequencing reaction from re-forming a double helix. B The ddNTP terminates synthesis on a strand after it is incorporated by DNA polymerase. (C) The ddNTP acts as a catalyst for the DNA polymerase during in vitro DNA replication. The ddNTP is necessary to act as a primer in a sequencing reaction.arrow_forwardWhich of the following ingredients does not belong in a sequencing reaction? A) ddNTPs B) Primer (C Ligase D) DNA polymerase E DNTPS (F) Endonucleasearrow_forwardWhich of the following do you think would be true of the sites of the origin of replication (where DNA strands first begin to separate?) Hint: think about which would be the easiest to pull apart. (a) they would be rich in purines (b) they would be rich in A and T sequences (c) they would be rich in pyrimidines (d) they would be rich in G and C sequences (e) they would be rich in A sequencesarrow_forward
- a) (iii) (iv) Polymerase chain reaction (PCR) is a technique that enables multiplication of specific DNA sample at minute amount to millions or billions of copies at a short time span. (i) Figure 1 indicates the chemicals added into the PCR reaction tube prior to the addition of thermostable DNA polymerase. Do you agree with the list? Justify your answer. DNA template Buffer (containing Tris-HCI, KCI, Mg2+) ddNTP Forward primer Reverse primer Figure 1 If TA cloning is planned to be carried out after amplification of the gene, which thermostable DNA polymerase will you select and the reason for your selection? Why is the optimal annealing temperature vital in this technique? Explain how this temperature (too high or too low) will affect the efficiency of this reaction. If the primers you purchased possessed the following information: Number of Guanine: 4 Number of Adenine: 3 Number of Thymine: 4 Number of Cytosine: 5 Calculate the melting temperature of this primer and estimate the…arrow_forwardRecombinant DNA is:(a) DNA that is produced when genes from one kind oforganism are introduced by lateral transfer into the ge-nome of another kind of organism(b) DNA that is destroyed by endonucleases(c) DNA amplified by the polymerase chain reaction(d) DNA that is rich in the nitrogenous base guanine(e) All of the abovearrow_forwardThe problem of replicating the lagging strand—that is, adding bases in the 3’ to 5’ direction—is solved by DNA through the use of (a) base pairing (b) replication forks (c) helicase (d) Okazaki fragments (e) topoisomerasearrow_forward
- To prepare a sample for electrophoresis, samples of the DNA being investigated (a) are put into each of four tubes and induced to replicate (b). Also, into the first tube, an adenine terminator was added in addition to all the other nucleotides. As the complementary strand was being constructed, the terminators were occasionally incorporated wherever an adenine nucleotide was used. This random incorporation resulted in all possible lengths of DNA pieces that had an adenine on the end (c). The same process was conducted in the other tubes with thymine, guanine and cytosine terminators; one treatment for each of the four lanes in the gel. Electrophoresis separated the replicated pieces of DNA by size. Staining the gel revealed which lengths of the complementary DNA were terminated by which nucleotide terminators (d). The gel consists of four “lanes,” labeled A, T, G, and C, indicating either adenine, thymine, guanine, or cytosine terminated pieces of DNA. By “reading” down the gel, you…arrow_forwardConsidering the Polymerase Chain Reaction (PCR), we can state that: a) It is a technique that promotes linear amplification of the number of DNA molecules in a sample. b) Depends on an initial template which can be a DNA or RNA molecule c) The reaction must contain, in addition to the template sequence, nitrogenous bases, sense and antisense primers and DNA polymerase enzyme. d)The primer sense rings on the template strand 3’>5’, extending from the 3’ end e)arrow_forwardSince DNA is a hydrophillicmoelcule, it cannot pass through cell membranes. Name and explain the technique with which the DNA is forced into (ii) a bacterial cell (ii) a plant cell (iii) an animal cell.arrow_forward
- During PCR amplification in preparation for DNA sequencing, why were there different colors at the 3’ ends of the fragments produced? (What did these four colors represent?)arrow_forward Proofreads each nucleotide its template as soon as it is added to the growing strand. A) DNA Ligase B) Helicase C) DNA Polyerase D) Primase The genetic code A) has no redundancy but does have ambiguity B) has both redundancy and ambiguity C) has redundancy and not ambiguity D) has ambiguity E) has redundancyarrow_forwardTo amplify a section of DNA using the polymerase chain reaction (PCR), all you need to load into the tube is 1) a buffer solution, 2) the DNA you want to amplify, 3) some DNA nucleotides, 4) a polymerase (like Taq polymerase), and O an RNA polymerase a set of forward and reverse primers some phospholipids for a cell membrane some ribosomesarrow_forward
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