Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337670319
Author: STARR
Publisher: Cengage
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Chapter 15, Problem 2SQ
Summary Introduction
Introduction: In molecular biology techniques for DNA modifications, the term ‘vector’ refers to a
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A. What is the pathogen that is attacking bananas today?b. Why is this especially problematic in Africa?
C. Why do we expect to lose the war with this pathogen?d. What is random mutagenesis?
An experimental drug therapy to treat patients with antibiotic-resistant bacteria involves introduction of a highly specific bacteriophage to the infected patient's bloodstream. Which of the following bacteriophage types would be the LEAST useful for this therapy?
a. a lytic bacteriophage
b. An enveloped virus
c. An RNA virus
d. a lysogenic bacteriophage
Which gene is incorporated into plasmids to detect recombinantcells?a. restriction endonuclease
b. virus receptors
c. a gene for antibiotic resistance
d. reverse transcriptase
Chapter 15 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 15 - Enhanced Spatial Learning Ability in Mice...Ch. 15 - Enhanced Spatial Learning Ability in Mice...Ch. 15 - Prob. 3DAACh. 15 - Prob. 4DAACh. 15 - _________ cut(s) DNA molecules at specific sites....Ch. 15 - Prob. 2SQCh. 15 - Prob. 3SQCh. 15 - For each species, all ________ in the complete set...Ch. 15 - A set of cells that host various DNA fragments...Ch. 15 - Prob. 6SQ
Ch. 15 - Prob. 7SQCh. 15 - Prob. 8SQCh. 15 - Prob. 9SQCh. 15 - Prob. 10SQCh. 15 - A transgenic organism _______. a. carries a gene...Ch. 15 - True or false? Some transgenic organisms can pass...Ch. 15 - Taq polymerase is used for PCR because it _______....Ch. 15 - _____ can correct a genetic defect in an...Ch. 15 - Match each term with the most suitable...Ch. 15 - Match the method with the appropriate enzyme....Ch. 15 - Prob. 1CTCh. 15 - Restriction enzymes in bacterial cytoplasm cut...Ch. 15 - The results of a paternity test using short tandem...
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- after a successful infection by a viral particle, it integrates its genome into the host DNA. which term best describe the change of host genome? a. none b.silent mutation c.missense mutation d.frame shift mutationarrow_forwardChoose the combination of answers that most accurately completes the statement. Which gene is incorporated into plasmids to detect recombinant cells? a. restriction endonuclease c. a gene for antibiotic resistance b. virus receptors d. reverse transcriptasearrow_forwardWhy must a genetically engineered plasmid contain a genetic marker? a.) to prevent the construction of an artificial chromosome b.) to separate cells that contain recombinant DNA from those that do not c.) to produce multiple copies of the recombined plasmid after heat treatment d.) to break apart the circular plasmid and introduce another DNA fragmentarrow_forward
- What do genetic engineers use to create the “sticky ends” needed to splice two fragments of DNA together? a.) an amino acid sequence b.) DNA ligase c.) restriction enzymes d.) mRNAarrow_forwardA biologist develops a new drug that seems to dramatically slow the onset of symptoms resulting from HIV infection. Close monitoring of HIV-infected cells reveals that the viral proteins are in the form of long polyproteins. What kind of drug did the biologist develop? A. It is a glycosyl transferase inhibitor. B. It is an integrase inhibitor C. It is a protease inhibitor. D. It is a CD4 inhibitor. please explain why which answer is correct and which is wrong and whyarrow_forwardA _______ is a molecule that can be used to carry a fragment of DNA into a host organism. a. cloning vector c. GMO b. chromosome d. cDNAarrow_forward
- A recombinant plasmid can be used to a.) prevent nondisjunction at meiosis. b.) double the number of chromosomes in a plant cell. c.) cut DNA into restriction fragments. d.) transform a bacteriumarrow_forwardWhich technique allows a researcher to change a single specific nucleotide in a gene sequence in vitro? a. The CRISPR-Cas9 system b. PCR-based random mutagenesis c. PCR-based site-specific mutagenesis d. RT-PCRarrow_forwardinvolved in the transfer of multiple drug resistance from one cell to another? * a.Transposition b. Conjugation with a cell with chromosomal drug resistance appears in the genome of a bacteriophage that has infected it. c. Transformation of chromosomal genes d. Conjugation with a cell with a free plasmid carrying drug resistancearrow_forward
- When 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_forwardPlasmids are circular extrachromosomal DNA in bacteria that play a role in: d. degradation of viruses a. growth of bacteria b. pathogenicity and antibiotic resistance c. production of antibodiesarrow_forwardInfluenza Virus has a genome and can jump hosts easily because of its genome A. DNA; reassortment B. RNA; reassortment C. DNA; recombination D. RNA; recombinationarrow_forward
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