FT IR Spectroscopy In FT-NMR, how are nuclei excited? By an intense pressure By an intense pulse of radiation which contains a wide range of frequencies By radio-frequency radiation whose frequency is swept across a predetermined range None of these By an intense pressure By an intense pulse of radiation which contains a wide range of frequencies By radio-frequency radiation whose frequency is swept across a predetermined range None of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy How do you turn a signal recorded in the time domain into a frequency domain signal? Fourier transformation By use of a Michelson interferometer None of the above Measurement of peak areas Fourier transformation By use of a Michelson interferometer None of the above Measurement of peak areas ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Negative staining is a technique used in gel electrophoresis immunocytochemistry light microscopy electron microscopy gel electrophoresis immunocytochemistry light microscopy electron microscopy ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy How many possible orientations do spin 1/2 nuclei have when they are located in an applied magnetic field? 2 3 6 4 2 3 6 4 ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens? The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field None of these The nucleus spins faster The processional frequency of the nucleus increases The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field None of these The nucleus spins faster The processional frequency of the nucleus increases ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy The sequence of amino acids in proteins can be determined by means of identification of the -NH2 terminal amino acids identification of the -COOH terminal amino acids All of these partial cleavage of the original polypeptide into smaller polypeptides identification of the -NH2 terminal amino acids identification of the -COOH terminal amino acids All of these partial cleavage of the original polypeptide into smaller polypeptides ANSWER DOWNLOAD EXAMIANS APP
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