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can be used to determine the amino acid sequence of a protein or peptide.


A) X-ray crystallography
B) nuclear magnetic resonance
C) mass spectrometry
D) Chip assay

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In a two-dimensional gel electrophoresis experiment, proteins are separated horizontally by .


A) Net charge
B) Molecular weight
C) Abundance
D) None of the answers are correct

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What is the purpose of sodium dodecyl sulfate (SDS) in a two-dimensional gel electrophoresis experiment?


A) Allows proteins to be separated by charge only
B) Allows proteins to be separated by size only
C) Neither of the above

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Which of the following areas of genetics applies mathematical principles to genetic sequences in order to better understand the genetic information?


A) Structural genomics
B) Functional genomics
C) Proteomics
D) Bioinformatics

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cDNA uses chromosomal DNA as its template.

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Which of the following procedures is used to identify a protein of interest after a two-dimensional gel electrophoresis experiment?


A) Subtractive cDNA library
B) Treatment with reverse transcriptase to isolate the DNA of interest
C) Southern blotting
D) Mass spectrometry

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DNA microarray data may be used to determine the relationship between gene expression and protein abundance, however, these results must be confirmed by blot analysis.


A) Western
B) Eastern
C) Northern
D) Southern

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Which of the following would be used with a protein microarray to establish protein expression?


A) cDNA
B) mRNA
C) Plasmid vectors
D) Antibodies
E) None of the answers are correct

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In the screening of a DNA microarray, detection of a fluorescent signal from one of the genes indicates which of the following?


A) The probe hybridized to that particular gene
B) The probe did not hybridize to that particular gene
C) The experiment was not conducted correctly
D) None of the answers are correct

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Proteome databases are collections of information on the genes of a specific species.

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Which of the following is used to separate cellular proteins for analysis?


A) Western blots
B) Subtractive cDNA libraries
C) Two-dimensional gel electrophoresis
D) Pulsed field gel electrophoresis
E) None of the answers are correct

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What information would a subtractive cDNA library provide to a researcher?


A) The total protein content of a cell
B) The number of introns in the genome
C) The mRNAs that are produced only under specific conditions
D) The total genes in an organism

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A cluster analysis is used when reading a DNA microarray to identify genes that appear to be expressed together.

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Two genes that share a common ancestry are said to have homology.

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Genes are to the genome as are to the proteome.


A) carbohydrates
B) proteins
C) DNA
D) prions

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To identify novel DNA binding sites for a protein, it would be best to use:


A) BLAST
B) YACs
C) Chromatin immunoprecipitation
D) ChIP on chip
E) Time shift experiments

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A functional protein microarray can be used to establish the function or substrates for a given group of proteins.

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The most common mechanism by which the proteome varies from the genome is


A) Alternative splicing
B) Posttranslational covalent modification
C) RNA editing
D) None of the answers are correct

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The use of mathematics to understand the information within genetic sequences is called mathematical genomics.

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Which of the following terms best describes two homologous genes found in different species?


A) Homologues
B) Paralogs
C) Gene family
D) Orthologs
E) None of the answers are correct

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