WHAT IS LIFE LL W/ LAUNCHPAD
4th Edition
ISBN: 9781319231859
Author: PHELAN
Publisher: Macmillan Higher Education
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Chapter 7, Problem 2MC
Summary Introduction
Introduction:
PCR is a technique used to amplify the DNA.
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Which of the following statements about DNA probes are false?
a. Probes can be labeled with a fluorescent dye to facilitate detection.
b. Probes can be labeled with radioactive phosphorus to facilitate detection.
c. Probes are typically composed of double stranded pieces of DNA.
d. Probes are typically composed of single stranded pieces of DNA.
Which of the following is true about DNA manipulation? Select the best answer.
A. all of these
B. DNA has never been transferred between different organisms.
C. Transferring DNA from one organism into another always kills the host organism.
D. Whole genomes have been manipulated by humans for centuries; now individual genes ca be inserted into different organisms using a variety of techniques.
E. DNA can't be manipulated.
Which of the following describes an advantage of using a recombinant plasmid for DNA cloning over PCR?
A. PCR is more likely to have errors introduced in the copying process.
B. Recombinant DNA plasmids are able to create large amounts of copies more quickly than PCR.
C. PCR can only be conducted in eukaryotic cells.
D. PCR requires prior knowledge of the sequence in question, while a recombinant plasmid does not.
Chapter 7 Solutions
WHAT IS LIFE LL W/ LAUNCHPAD
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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
- Which of the following is NOT true of DNA polymerase? a. DNA polymerase builds the new strand from 5' to 3'. b. DNA polymerase can start new DNA strands independently. c. DNA polymerase uses a "guess and check" method to add nucleotides. d. DNA polymerase uses dATP as a nucleotide. e. DNA polymerase reads the template from 3' to 5'.arrow_forwardTranscriptomes, that is, all the transcripts in a cell, are analyzed using: a. a type of PCR b. fluorescently labeled nucleotides c. microarrays d. all the abovearrow_forwardWhich of the following is FALSE about current Sanger dideoxy DNA sequencing procedures? a. Chain termination occurs during synthesis of a new DNA strand. b. Many steps can be automated. c. No DNA is synthesized in the procedure. d. Fluorescent molecules can be used to detect the DNA.arrow_forward
- Place the steps of sanger sequencing in order.A. A fluorescent laser excites the fragments and records the wavelength consistent with a single nucleotide. B. ddNTPs bind and stop chain extension.C. DNA fragments are separated by size through a capillary tube. D. DNA polymerase copies the target region of template DNA.E. The final nucleotide of each fragment is labeled with a fluorescent tag.arrow_forwardWhen constructing a recombinant DNA molecule, a marker gene is used to: a. give the organism a new trait, such as insect resistance b. Identify whether the transformed organism contains the recombinant DNA c. replicate (copy) the gene of interest d. Introduce the recombinant DNA into an organism e. cut short sequences of DNAarrow_forwardDefinition of Terms: a. Genetic Engineering b. DNA c. Recombinant DNA d. Plasmids e. Cloning f. Genome g. Gene Mapping h. Biotechnology i. Polymerase Chain Reaction j. Gene Therapyarrow_forward
- Which of the following is involved in recombinant DNA technology? Explain. MULTIPLE CHOICE. Choose only one: a. DNA polymerase b. DNA probes c. Restrition enzymes d. Reverse transcriptasearrow_forwardWhich of the following is true? a. In one technique, the DNA sequence can be determined using one strand of DNA as it passes through a nanopore. b. Next generation sequencing is slow but accurate. c. Both of the above are true.arrow_forwardWhich statement is true? a. There is no danger involved in recombinant DNA research in humans. b. Stringent safety rules make the use of recombinant DNA research impossible. c. There is no danger in releasing recombinant organisms into the environment. d. Stringent safety rules make the use of recombinant DNA research possible. e. There is no danger involved in recombinant DNA research in bacteria.arrow_forward
- When E. coli cells are mixed with recombinant vector DNA and subject to a stress such as heat shock, a small fraction of the cells will take up the plasmid DNA, a process known as : A. Ligation. B. Transformation. C. Transfection. D. Digestion.arrow_forwardPolymerase Chain Reaction, or PCR, can Group of answer choices A. target a specific region of DNA and cut it out of the rest of the genetic material for further analysis. B. copy the number of copies of a selected region of DNA linearly. C. increase the number of copies of a selected region of DNA exponentially. D. copy the entire genome at least a dozen times.arrow_forwardA researcher is performing PCR to amplify a sample of DNA. Unfortunately, he forgot to add the DNA primer prior to starting the experiment. Which of the following results is he most likely to observe? a. The reaction will work, but at a significantly slower rate. b. The reaction will work, but the product will contain many undesired mutations. c. The reaction will work, but amplify a region that was not his target. d. The reaction will be completely unsuccessfuarrow_forward
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