Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 21.6, Problem 2COMQ
The basis for DNase I footprinting is that the binding of a protein to DNA
a. prevents the DNA from being digested with a restriction enzyme.
b. enhances the ability of the DNA to be digested with a restriction enzyme.
c. prevents the DNA from being digested with DNase I.
d. enhances the ability of the DNA to be digested by DNase I.
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Students have asked these similar questions
A. A plasmid is shown with the locations of various restriction enzyme sites labeled. If you cut the plasmid with Xhol and Xbal, which lane of the agarose gel represents the DNA fragments you would expect from the digestion?
B. If you now decide to cut the plasmid with EcoRI, how many fragments will be produced and what will their sizes be?
C. When running DNA samples on agarose gel, an electric field is applied. Towards which electrode will the DNA migrate and why?
What is a restriction endonuclease?
Select one:
a. It is an enzyme that cleaves at a specific nucleotide sequence.
b. It restricts the movement of the DNA outside the nucleus.
c. It proofreads the DNA for accidental damages and corrects any errors.
d. It is an enzyme that separates the DNA double helix.
The same restriction endonuclease must be used to excise the foreign DNA and bacterial DNA.
Select one:
True
False
Why?
Select one:
a. It must use different restriction endonucleases because the bacterial and foreign DNA sequences are different.
b. It must use same restriction endonuclease so that the restriction sites are identical in both foreign and bacterial DNA.
c. It must use same restriction endonuclease so that the restriction sites are different in both foreign and bacterial DNA.
d. It must use different restriction endonucleases because the bacterial and foreign DNA sequences are exactly the same.
Chapter 21 Solutions
Genetics: Analysis and Principles
Ch. 21.1 - 1. Which of the following may be used as a vector...Ch. 21.1 - The restriction enzymes used in gene-cloning...Ch. 21.1 - 3. Which is the proper order of the following...Ch. 21.1 - 4. The function of reverse transcriptase is...Ch. 21.1 - A collection of recombinant vectors that carry...Ch. 21.2 - Prob. 1COMQCh. 21.2 - Prob. 2COMQCh. 21.2 - 3. During real-time PCR, the synthesis of PCR...Ch. 21.3 - When a dideoxyribonucleotide is incorporated into...Ch. 21.4 - 1. The purpose of site-directed mutagenesis and...
Ch. 21.5 - Which of the following methods use(s) a labeled...Ch. 21.5 - 2. Which of the following methods is used to...Ch. 21.5 - During Western blotting, the primary antibody...Ch. 21.6 - 1. In an EMSA, the binding of a protein to...Ch. 21.6 - The basis for DNase I footprinting is that the...Ch. 21 - Discuss three important advances that have...Ch. 21 - Prob. 2CONQCh. 21 - Write a double-stranded DNA sequence that is 20...Ch. 21 - What is cDNA? In eukaryotes, how does cDNA differ...Ch. 21 - 5. Draw the structural feature of a...Ch. 21 - Prob. 1EQCh. 21 - Prob. 2EQCh. 21 - Describe the important features of cloning...Ch. 21 - 4. How does gene cloning produce many copies of a...Ch. 21 - Prob. 5EQCh. 21 - Prob. 6EQCh. 21 - Prob. 7EQCh. 21 - Prob. 8EQCh. 21 - Prob. 9EQCh. 21 - Starting with a sample of RNA that contains the...Ch. 21 - 11. What type of probe is used for real-time PCR?...Ch. 21 - 12. What phase of PCR (exponential, linear, or...Ch. 21 - 13. DNA sequencing can help us to identify...Ch. 21 - A sample of DNA was subjected to automated DNA...Ch. 21 - Prob. 15EQCh. 21 - Prob. 16EQCh. 21 - Prob. 17EQCh. 21 - Prob. 18EQCh. 21 - Prob. 19EQCh. 21 - What is the purpose of a Northern blotting...Ch. 21 - Prob. 21EQCh. 21 - Prob. 22EQCh. 21 - 23. In the Western blot shown here, proteins were...Ch. 21 - If you wanted to know if a protein was made during...Ch. 21 - Prob. 25EQCh. 21 - Prob. 26EQCh. 21 - Prob. 27EQCh. 21 - 28. Describe the rationale behind the...Ch. 21 - Certain hormones, such as epinephrine, can...Ch. 21 - An electrophoretic mobility shift assay can be...Ch. 21 - Prob. 31EQCh. 21 - Prob. 32EQCh. 21 - Prob. 33EQCh. 21 - Prob. 1QSDC
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- What is the enzymatic function of restriction enzymes? Group of answer choices a. to cut nucleic acids at specific sites b. to join nucleotides during transcription c. to add new nucleotides to the growing strand of DNA d. to repair breaks in sugar - phosphate backbonesarrow_forwardCertain restriction endonucleases produce cohesive (sticky) ends. This means that they: a. stick tightly to the ends of the DNA they have cut. b. cut both DNA strands at the same base pair. c. make a staggered double-strand cut, leaving ends with a few nucleotides of single-stranded DNA protruding. d. cut in regions of high GC content, leaving ends that can form more hydrogen bonds than ends of high AT content. e. cut in regions of high AT content, leaving ends that can form more hydrogen bonds than ends of high GC content.arrow_forwardOne would be correct in assuming that the restriction sites present in the multiple cloning site of the pUC18 plasmid will a. be the only instance of that restriction site in the plasmid b. appear at least once in another location in the vector. c. only include 4 bp restriction enzyme recognition sites. d. only be recognition sites that produce blunt ends when cleaved by the appropriate enzyme.arrow_forward
- Which of the following best describes the process of DNA seqencing. a. DNA is seperated on a gel and the different bands are labled with flouroscent nucleotides and scanned with a laser. b. A laser is used to flurorescently label the nucleotides present with in the DNA , the DNA is run on a gel and then the DNA is droken into fragments c. Nucleotides are scanned with a laser and incrprorated into the DNA that has been seperated on a gel and then DNA is amplified with PCR. d. fragments of DNA are produced in a reaction that lables them with any of four different fluroscent dyes and the fragmented then are run on a gel and scanned with laser e. DNA is broken down into its constituents nucleotides and the nucleotides are then run on a gel and purified with a laserarrow_forwardOne would be correct in assuming that the restriction sites present in the multiplecloning site of the pUC18 plasmid willarrow_forwardA.) Base excision repair requires polymerases. B.) In DNA repair by excision, the non-damaged strand is used as a template for a new strand of DNA. a. Statement A is correct b. Statement B is correct c. Both A and B are correct d. Both A and B are incorrectarrow_forward
- Restriction enzymes (type II) bind to their recognition site and A. begin elongation from it B. methylaet it C. cut inside it D. ligate itarrow_forwardThe double stranded DNA sequence of a restriction enzyme cut site is typically complementary, antiparallel, and palindromic. Given these criteria, which one of the following single stranded sequences represents a restriction enzyme cut site when made double stranded? a. None of these sequences satisfy the given criteria b. 5' – GTCCTG – 3' c. 5' – GTCGTC – 3' d. 5' – GTCGAC – 3' e. 5' – GGTTCC – 3'arrow_forwardWhat is the principle of the SNP (single nucleotide polymorphisms) in the diagnosis of human diseases? a. PCR product of a gene is different from the expected one b. The size of a recombinant DNA is different from the expected one c. Mutation of a single base in a gene makes the size of a band digested by specific restriction enzymes different from the expected one d. The DNA band detected by Southern blot is different from that by Northern blotarrow_forward
- in Cohen-Boyer's recombinant DNA procedure _______ must be used for both the bacterial DNA and the amphibian DNA _______. a. the same restrictions enzyme, so that the the restriction site are identical in the DNA of each species b. different restriction enzymes, so that the genes outside the restriction site are maintained c. the same restriction enzymes, to ensure that the newly formed DNA can replicate d. different restriction enzymes, to ensure that the newly introducted genes are maintained in the bacterial DNAarrow_forwardThe other options are: a. RNA cannot be digested by restriction enzymes b. RNA is small enough to be resolved on an agarose gel without the need for restriction digestion. c. RNA is single stranded and DNA is double strandedarrow_forwardThe restriction endonucleases used in recombinant DNA work: a. are synthesized by bacteria b. recognize sequences 14-16 bp long c. cut the DNA outside the recognition sequence d. all the above are truearrow_forward
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