DNA techniques Flashcards

exam 1

1
Q

narcolepsy

A

condition characterized by sudden and uncontrollable attacks of sleep

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2
Q

restriction endonucleases

A

cuts the DNA of the phage into fragments

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3
Q

protected by methylation

A

bacterial DNA

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4
Q

isolated from ecoli

A

ECO R1

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5
Q

Gel elctrophoresis run from one charge to the other

A

from negative to positive

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6
Q

size of molecules on a gel electropherisis

A

from larger to smaller molecules

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7
Q

SNoW DRoP

A

southern blot: DNA
Northern blot: RNA
Western blot: Proteins

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8
Q

In a southern blot, duplex DNA needs to be turned into

A

single stranded DNA

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9
Q

southern blot, hybrydization is succesful

A

when the DNA fragment that we want appears in the landmark according to its size

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10
Q

Detection of a _____________ using Southern Blot

A

deletion

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11
Q

Detecting ____________ _______ Via Southern Blot

A

trinucleotide expansion

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12
Q

CGG repeat region

A

Fragile X

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13
Q

Trinucleotide expansion has a greater molecular weight as severity increases

A

southern blot

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14
Q

all individuals has the same mutation

A

sickle cell anemia

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15
Q

detection of the _______ _______ associated with sickle cell anemia using ____________ ________

A

point mutation

southern blot

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16
Q

single point mutation A–> T

A

sickle cell anemia

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17
Q

molecular weight changes from 1.1 to 1.3 in a southern blot

A

detection of sickle cell anemia

18
Q

polymorphisms serve as

A

DNA fingerprinting

19
Q

differences in polymorphisms

A

restriction fragment length polymorhism

20
Q

altered RFLP

A

associated with possible mutation and diseases

21
Q

FISH

A

Fluorescence in situ hybridization

22
Q

to check for the presence, absence or copy member of the chromosome

A

FISH

23
Q

____ is separated according to size by electrophoresis through denaturing gel and transferred to a solid support

A

RNA

24
Q

SDS wash

A

Western blots–> protein neutralizing the charge

25
Q

antibodies are used for specificity

A

western blot

26
Q

DNA band shifts

A

to recognize DNA that are bound to protein

27
Q

used to establish where a given protein binds to DNA

A

DNA footprinting

28
Q

allows one to use the PCR technique to amplify RNA

A

RT-PCR

29
Q

Amplify DNA

A

PCR

30
Q

EcoRI makes sticky ends, foreign DNA inserted and then use DNA ligase to join the fragments

A

DNA cloning

31
Q

constructed directly from fragments of genomic DNA

A

genomic library

32
Q

derived from mRNA; dthe mRNA is converted to DNA by reverse transcriptase and then cloned

A

cDNA library

33
Q

single stranded DNA can potentially hybridize to any DNA molecule that contains complementary sequences

A

Heat denaturation

34
Q

After cooling, two different oligonucleotides (primers) are annealed to their complementary sequences sin the denatured DNA

A

Annealing

35
Q

annealed primers by a heat stable DNA polymerase (dNTPS are also required)

A

extension

36
Q

RT-PCR based test that predicts the likelihood of cancer recurrence

A

oncotype DX

37
Q

single strand confirmation polymorphism

A

confirmational difference between nucleotide sequences.

38
Q

involves sequencing of genome fragments that are on a chip allowing an entire genome to be sequenced at once

A

next generation sequencing

39
Q

chain termination DNA sequencing method uses _________ to chain terminate during DNA _____ and typically _____ dyes are used

A

uses dideoxynucleotide to chain terminate during replication using fluorescent dyes

40
Q

fragments of the genome

A

genomic library

41
Q

derived from mRNA being expressed in a given tissue

A

cDNA

42
Q

used when a mutation changes the folded structure of single stranded DNA as measured by gel-elec.

A

single strand confirmation