1
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How are GMOs created?
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introducing recombinant DNA into an organism by any means
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in vitro fertilization methods
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mutagenesis
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plant breeding techniques
2
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Which technique used to manipulate genetic material results in a significant increase in DNA or RNA fragments?
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gel electrophoresis
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nucleic acid extraction
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nuclear hybridization
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polymerase chain reaction (PCR)
3
.
What is the role of the plasmid in molecular cloning?
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They are used to create clones.
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They are used as vectors to insert genes into bacteria.
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They are a functional part of binary fission.
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They contain the circular chromosome of prokaryotic organisms.
4
.
What is meant by a recombinant DNA molecule?
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chimeric molecules
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bacteria transformed into another species
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molecules that have been through the PCR process
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the result of crossing over during cell reproduction
5
.
Based on its chemical structure, what is the best way to describe Bt toxin?
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a gene for modifying insect DNA
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an organic insecticide produced by bacteria
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useful for humans to fight against insects
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a recombinant protein
6
.
What is one trait of the Flavr Savr Tomato?
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has a better shelf life
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is not a variety of vine-ripened tomato in the supermarket
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was not created to have better flavor
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undergoes soft rot
7
.
What is the first step in isolating DNA?
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generating genomic DNA fragments with restriction endonucleases
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introducing recombinant DNA into an organism by any means
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overexpressing proteins in E. coli
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lysing the cells in the sample
8
.
What is genomics?
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Genomics is the study of entire genomes, including the complete set of genes, their nucleotide sequence and organization, and their interactions within a species and with other species.
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Genomics is the process of finding the locations of genes on each chromosome.
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Genomics is an illustration that lists genes and their location on a chromosome.
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Genomics is a genetic marker, a gene or sequence on a chromosome that co-segregates (shows genetic linkage) with a specific trait.
9
.
What is required in addition to a genetic linkage map to build a complete picture of the genome?
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a genetic marker
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a physical map
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linkage analysis of chromosomes
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plasmids
10
.
Genetic recombination occurs by which process?
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crossing over
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chromosome segregation
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independent assortment
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sister chromatids
11
.
Individual genetic maps in a given species are ________.
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genetically similar
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genetically identical
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genetically dissimilar
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not useful in species analysis
12
.
Information obtained by microscopic analysis of stained chromosomes is used in what procedure?
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cytogenetic mapping
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radiation hybrid mapping
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RFLP mapping
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sequence mapping
13
.
Which of the following is true about linkage analysis?
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It is used to create a physical map of the genome.
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It is based on the natural recombination process.
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It is a technique that breaks and rejoins DNA strands in the laboratory.
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It requires radiation hybrid mapping.
14
.
What biochemical structure is crucial to the chain termination method of sequencing?
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uses only labeled ddNTPs
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uses dideoxynucleotides
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only deoxynucleotides
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labeled dNTPs
15
.
What sequencing technique is used to identify regions of similarity between cell types or species?
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dideoxy chain termination
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protein, DNA, or RNA sequence alignment
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shotgun sequencing
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whole-exome sequencing
16
.
Whole-genome sequencing can be used for advances in what field?
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bioinformatics
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iron industry
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multimedia
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medicine
17
.
Sequencing an individual person’s genome ______.
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is currently impossible
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helps in predicting faulty genes in diseases
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will not lead to legal issues regarding discrimination and privacy
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will not help make informed choices about medical treatment
18
.
How can genomics be used in agriculture?
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generate new hybrid strains
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improve disease resistance
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improve yield
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improve yields, disease resistance, and to generate new hybrids
19
.
What is a reasonable use for metagenomics?
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identification of biofuel candidates
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testing for multiple drug susceptibility in a population
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increasing agricultural yields
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identifying new species more rapidly and analyzing the effect of pollutants on the environment
20
.
Genomics can be used on a personal level to do what?
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determine the risks of genetic diseases for an individual’s children
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increase transplant rejection
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predict the protein profile of a person
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produce antibodies for an antigen
21
.
In developed countries, what percentage of diseases is caused by single gene defects?
22
.
Which technique or field of study is best suited to the rapid identification of new species and the analysis of the effects of pollutants on the environment?
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metagenomics
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linkage analysis
-
genomics
-
shotgun sequencing
23
.
The risks of genetic diseases for an individual’s children can be determined through ______.
-
metagenomics
-
linkage analysis
-
genomics
-
shotgun sequencing
24
.
What is a biomarker?
-
the color coding of different genes
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a protein uniquely produced in a diseased state
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a molecule in the genome or proteome
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a marker that is genetically inherited
25
.
What is a metabolome?
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a provisional listing of the genome of a species
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a unique metabolite used to identify an individual
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a method used for protein analysis
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the complete set of metabolites related to the genetic makeup of an organism
26
.
How would you describe a set of proteins with altered expression levels?
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a group of biomarkers
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a protein signature
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the result of a defect in mRNA transcription
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the results of crossing over during cell replication
27
.
What is a protein signature?
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a protein expressed on the cell surface
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a unique set of proteins present in a diseased state
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the path followed by a protein after it is synthesized in the nucleus
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the path followed by a protein in the cytoplasm
28
.
What term describes a protein that is uniquely produced by an organism in a diseased state?
-
a genomic protein
-
a genetic defect
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a chimeric molecule
-
a biomarker
29
.
The collection of metabolites resulting from the anabolic and catabolic reactions of an organism is called what?
-
genetic metabolic profile
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metabolic signature
-
metabolome
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metagenomics