Genomics, Proteomics, and Metabolomics Flashcards

1
Q

There are _________ bases of the human genome, but only _________ - ________ protein-coding genes

A

3 billion bases

20K-25K protein-coding genes

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2
Q

Alternative _________ and alternative ____ ________ result in 4-6 different mRNAs from a single gene.

A

splicing & gene promoters

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3
Q

Alternative splicing and alternative gene promoters result in # - # different ______ from a single gene

A

4-6 mRNAs from a single gene

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4
Q

The number of protein-coding mRNAs (____________) may be as large as #

A

transcriptome

100K

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5
Q

The original Human Genome Project used “________” and “_____” approaches for sequencing.

A

clone-by-clone

shotgun

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6
Q

There are ______ gaps remaining in the Human genome (compared to 150,000 in draft)

A

250

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7
Q

Since the completion of the human genome, sequencing capacity has increased dramatically while costs have declined.

A

ok

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8
Q

SNPs or __________ __________ ____________ are mapped base positions in the genome where the nucleotide varies among people.

A

single nucleotide polymorphisms

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9
Q

Companies (e.g. 23 and me) are offering full genome scans to people for less than $100. This analysis is based on

A

SNP - single nucleotide polymorphisms

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10
Q

Chromosomal Microarray Analysis (CMA) can be used for prenatal screening for early detection of chromosomal defects. What is it exactly?

A

Labeled DNA hybridized to array of several million oligonucleotide on chips.

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11
Q

______________ = complement of mRNAs, containing protein-coding sequences, but there are also other RNAs produced that play structural or regulatory functions (miRNA, siRNA, etc.)

A

Transcriptome

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12
Q

The transcriptome can be studied using ________, a collection of complementary (cDNA) made from mRNA or ______ ________ arranged on a solid phasae slide in a defined order.

A

microarrays

synthetic oligonucleotides

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13
Q

Generally, several ________ _____ per gene are used in microarrays.

A

oligonucleotide probes

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14
Q

Two samples can be compared by labeling each with a different fluorescent dye and ___________ them to the same array. (e.g. Two-color arrays can compare normal and cancer cells.)

A

hybridizing

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15
Q

With advances in sequencing technology, RNAseq or sequencing the entire compliment of RNA in a sample is rapidly replacing microarray approaches

A

ok

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16
Q

Data analysis is ________ intensive and requires stringent ________ ________.

A

bioinfomatics

statistical analysis

17
Q

_____________ is the study of the protein complement of a cell.

A

proteomics

18
Q

___________ ___________ is the analysis of protein profiled from two or more samples (e.g. diseased v. healthy cells) to identify quantitative differences that could be responsible for observed _________.

A

comparative proteomics

phenotypes

19
Q

Proteomics can identify ___ ______ that cannot be detected by _______ analysis.

A

posttranslational modifications

transcriptome analysis

20
Q

Proteins can be separated by two dimensional __________(PAGE) or by _________ (FPLC, HPLC)

A

polyacrylamide gel electrophoresisliquid chromatography

21
Q

proteins can be _______ by PAGE, FPLC, or HPLC

A

separated

22
Q

Proteins are identified by ______ ___________.

A

mass spectrometry

23
Q

Proteins are _________ by mass spectrometry

A

identified

24
Q

_______________ is the ID and quantification of steady-state levels of intracellular metabolites (sugars, amino acids, lipids, nucleotides, etc.)

A

Metabolomics

25
Q

Because the technology to identify every metabolite in a biological sample is not available, ________ ________ is often carried out, where a few specific metabolites are measured.

A

targeted metabolomics