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Protein Engineering
Protein Engineering Multiple Choice
Quiz 1
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Q.1
Which of the following can be used as a detector in Mass Spectrometry?
a) ESI
b) GC
c) HPLC
d) Conversion diode
Q.2
What is the monoisotopic mass of threonine?
a) 111.0451
b) 121.024
c) 201.258
d) 101.047
Q.3
Which of the following can be used as an analyzer in Mass Spectrometry?
a) ESI
b) Electron multiplier
c) Microchannel plate
d) TOF
Q.4
Which of the following is a soft ionization technique?
a) Chemical ionization
b) Electron impact ionization
c) Gas chromatography
d) Fast atom bombardment
Q.5
All mass analyzers operate under vacuum.
a) False
b) True
Q.6
What is the average mass of proline?
a) 91.113
b) 99.216
c) 93.216
d) 97.116
Q.7
Which of the following type of mass analyzer accelerates charged ions along a long tube known as flight tube?
a) Ion trap mass analyzer
b) Quadrupole mass analyzer
c) Orbitrap
d) TOF
Q.8
Which among the following cannot be used as a detector in Mass Spectrometry?
a) Electron multiplier
b) Array detector
c) Microchannel plate
d) Electron impact chamber
Q.9
What is the monoisotopic and average mass of valine?
a) 99.068 and 99.2361
b) 99.216 and 99.326
c) 99.111 and 99.321
d) 99.068 and 99.132
Q.10
Which of the following cannot be used as an analyzer in MS?
a) Ion trap
b) Quadrupole
c) TOF
d) ESI
Q.11
Which of the following is not a soft ionization technique?
a) ESI
b) FAB
c) MALDI
d) CI
Q.12
Which of the following can be used as a detector as well as an analyzer in Mass spectrometry?
a) Conversion diode
b) Array detector
c) Electron multiplier
d) Ion cyclotron Fourier transform
Q.13
Which of the following type of mass analyzer makes use of a combination of electric and magnetic fields and captures ions in a region of vacuum system?
a) Quadrupole mass analyzer
b) Ion cyclotron resonance
c) TOF
d) Ion trap mass analyzer
Q.14
What is the missing component in the flowchart shown below?
a) ESI
b) GC
c) HPLC
d) Mass analyzer
Q.15
What is the monoisotopic mass of proline?
a) 91.527
b) 43.519
c) 87.063
d) 97.052
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