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Tandem Mass Spectrometers:
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Which of the following is not an objective of proteomics Research?
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Tandem Mass Spectrometers: A. Are two mass spectrometers placed in series with each other
Which of the following is not an objective of proteomics Research? Identifying specific gene mutations
Which of the following is NOT an advantage of capillary electrophoresis? Multiple samples can be assayed simultaneously on one injection
Which electrochemical assay measures current at fixed potential? Amperometry
Which of the following is NOT necessary for obtaining the spectrum of a compound from 190 to 500nm? Tungsten Light source
Which is the most sensitive detector for spectrophtometry? Photomultiplier
Which of the following is FALSE concerning the principles of Point-of-Care testing devices? Devices do not require quality control testing
What is the purpose of the chopper in an atomic spectrometer? Correct for the amount of light emitted by the flame.
Which of the following is true concerning fluorometry? Fluorescence is an inherently more sensitive technique than absorption
Reverse-Phase liquid chromatography refers to: A polar mobile phase and nonpolar stationary phase
Stray light in a spectrophotometer places limits on: Upper range of linearity.
Which of the following refers to the movement of buffer ions and solvents relative to the fixed support? Electroendosmosis
Which of the following correctly ranks electromagnetic radiation from low energy to high energy? Microwaves, infrared, visible, UV, x-rays, gamma, cosmic
Which is most accurate concerning ion-selective electrodes? Gas-specific membranes are necessary for oxygen and carbon dioxide electrodes.
Which of the following techniques has the highest potential sensitivity? Chemiluminescence
Which of the following is Beer's law? A=ε*b*c ε=molar absorptivity, the fraction specific wavelength of light absorbed by a given type of solution; b=the length of light path through the solution; c=concentration of absorbing molecules.
Which of the following light sources is used in atomic absorption spectrophotometry? Hollow Cathode Lamp
Which of the following procedures is not currently or routinely used for point-of-care testing devices Polymerase chain reaction
Which of the following regarding mass spectrometry is False? Mass spectrometers can be used to sequence DNA.
Which of the following BEST describes the process of fluorescence? Molecules emit a photon at lower energy when excited electrons return to the ground state.
Created by: Twixy565
 

 



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