Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 20, Problem 6TYK
The following segment of DNA has restriction sites I and II, which create restriction fragments a, b, and c. Which of the gels produced by electrophoresis would represent the separation and identity of these fragments?
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A plasmid DNA and a linear DNA (both of the same size) have one site for
a restriction endonuclease. When cut and separated on agarose gel
electrophoresis, plasmid shows one DNA band while linear DNA shows
two fragments. Explain.
If a 1000 bp of DNA were inserted between the two restriction sites, how would the banding pattern on the gel differ from the one you drew in part a?
(PART A WITH THE FIRST PART OF THE QUESTION IS ATTACHED)
A small DNA molecule was cleaved with several different restriction nucleases, and the size of each fragment was determined by gel electrophoresis. The following data were obtained.
Chapter 20 Solutions
Study Guide for Campbell Biology
Ch. 20 - In what ways would third-generation sequencing be...Ch. 20 - The following schematic diagram depicts an...Ch. 20 - Which of the following DNA sequences would most...Ch. 20 - a. When PCR is used to prepare a DNA fragment for...Ch. 20 - a. What are some of the benefits of determining...Ch. 20 - Prob. 6IQCh. 20 - What are some of the practical and ethical...Ch. 20 - Prob. 8IQCh. 20 - Prob. 1SYKCh. 20 - Fill in the table on the previous page on the...
Ch. 20 - Prob. 3SYKCh. 20 - Prob. 1TYKCh. 20 - Prob. 2TYKCh. 20 - Gel electrophoresis is a means of separating...Ch. 20 - Prob. 4TYKCh. 20 - Prob. 5TYKCh. 20 - The following segment of DNA has restriction sites...Ch. 20 - Prob. 7TYKCh. 20 - Prob. 8TYKCh. 20 - Prob. 9TYKCh. 20 - Prob. 10TYKCh. 20 - Prob. 11TYKCh. 20 - Which enzyme is used in the polymerase chain...Ch. 20 - Prob. 13TYKCh. 20 - STRs (short tandem repeats) are a valuable tool...Ch. 20 - Prob. 15TYKCh. 20 - Which of the following has the greatest potential...Ch. 20 - Prob. 17TYKCh. 20 - Petroleum-lysing bacteria are being engineered for...Ch. 20 - Prob. 19TYKCh. 20 - Prob. 20TYK
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Restriction sites are palindromic; that is, they read the same in the5' to 3' direction on each strand of DNA. What is the advantage ofhaving restriction sites organized this way?arrow_forwardIf a 500 bp of DNA between the two restriction sites were deleted, how would the banding pattern on the gel differ from the one you drew in part a? (Part a is attached)arrow_forwardA small DNA molecule was cleaved with several different restriction nucleases, and the size of each fragment was determined by gel electrophoresis.The following data were obtained. (a) Is the original molecule linear or circular?(b) Draw a map of restriction sites (showing distances between sites) that isconsistent with the data given.(c) How many additional maps are compatible with the data?(d) What would have to be done to locate the cleavage sites unambiguouslywith respect to each other?arrow_forward
- When circular DNA is sequenced, the nucleotide base pairs are numbered starting from a fixed position on the DNA, all the way around, usually in a clockwise manner. a DNA molecule that is 3133 base pairs long is digested with RsaI restriction enzyme recognition sites at base numbers 366, 1534, and 2207. What are the sizes of the DNA fragments that will be produced after the DNA is digested with RsaI?arrow_forwardYou have a recombinant plasmid containing a vector and a segment of foreign DNA, both equal sizes. Draw a picture of this recombinant plasmid labeling foreign and vector regions. Where the foreign DNA meets the vector, there is a cut site for restriction enzyme ABC1. When the recombinant plasmid is cut by ABC1, how many fragments do you expect to be produced? Identify these fragments.arrow_forwardIn the formation of recombinant DNA, a restriction endonuclease cuts a bacterial plasmid to give sticky ends. The DNA segments that are to be added to the plasmid are cleaved with the same restriction endonuclease. What aresticky ends and why is it important that the target DNA and the plasmid it will be incorporated into have complementary sticky ends?arrow_forward
- 1) Restriction enzymes come in a concentration of U/ml, and it is recommended that 1U be used for each ug of DNA to be digested. If an enzyme you want to use comes in at 22,000 U/ml, and you want to digest 5 ug of DNA. How much volume will you have to use for the reaction and how will you be able to measure it with the pipettes we have in the lab? 2) An enzyme for ligation (Cip) comes at a concentration of 16000 units/ml. How many units will there be in 10 ul?arrow_forwardThe segment of DNA shown in the figure has restriction sites I and II, which create DNA restriction fragments A, B, and C. Which of the gels produced by electrophoresis best represents the separation and identity of these fragments? Reminder: a positive electrode is located at one end of the gel and the negative electrode at the other end. II O a. From the positive to the negative end, the order of the fragments will be B, A, C O b. From the positive to the negative end, the order of the fragments will be A, B, C O c. From the negative to the positive end, the order of the fragments will be B, A, C O d. From the positive to the negative end, the order of the fragments will be C, A, B O e. From the negative to the positive end, the order of the fragments will be A, B, Carrow_forwardA molecule of double-stranded DNA that is 5 million base pairs long has a base composition that is 62% G + C. How many times, on average, are restriction sites for the following restriction enzymes likely to be present in this DNA molecule? a. HindIII (recognition sequence is AAGCTT)arrow_forward
- On the gel shown below are four DNA samples. Samples A to C are taken from tissues of landslide victims that are being identified, while sample D came from a hair sample brought by a mother looking for the remains of her son. (see img) i. If similar band patterns in a gel are created using the same restriction enzyme, what does that tell you about the DNA sequence of the samples? ii. In sample C, only two fragments were created. How many restriction sites (regions where enzymes cut) are present in sample C?arrow_forwardA DNA strand was sequenced using the Sanger method (https://www.youtube.com/watch?v=KTstRrDTmWI). The reaction tube contained the DNA strand, fluorescently labelled dideoxynucleotide triphosphates (ddATP – yellow, ddGTP – green, ddCTP – blue, ddTTP - red), deoxynucleotide triphosphates, DNA polymerase, or its Klenow fragment. Synthesis of DNA is allowed to proceed, and the results are shown on the right: 15 14 13 12 11 10 (a) What is the sequence of the copy and the template strands? (b) If the template strand were in the 5'-3' direction, what will be the sequence of the DNA copy? Nucleotide Lengtharrow_forwardA 12 kb linear DNA fragment is subject to single or double RE digest and agarose gelelectrophoresis, to yield the gel profile shown below. The first lane contains the size marker(M).a) Explain how the name of the enzyme EcoRI is derived.b) How many sites are there for EcoRI and PvuII respectively on this DNA fragment?c) Use the sizes of the DNA bands on the gel to compile a restriction enzyme map of the DNAfragment. Indicate the positions of the restriction enzymes sites for EcoRI and PvuII on themap.arrow_forward
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