FT IR Spectroscopy How many possible orientations do spin 1/2 nuclei have when they are located in an applied magnetic field? 6 2 4 3 6 2 4 3 ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy The sequence of amino acids in proteins can be determined by means of partial cleavage of the original polypeptide into smaller polypeptides All of these identification of the -NH2 terminal amino acids identification of the -COOH terminal amino acids partial cleavage of the original polypeptide into smaller polypeptides All of these identification of the -NH2 terminal amino acids identification of the -COOH terminal amino acids ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Why is it advantageous to record many FID signals from the same sample and then add them together? To ensure that all target nuclei in the sample have been excited To increase sensitivity None of these To remove inaccuracies caused by fluctuations in the applied magnetic field To ensure that all target nuclei in the sample have been excited To increase sensitivity None of these To remove inaccuracies caused by fluctuations in the applied magnetic field ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy In FT-NMR, how are nuclei excited? None of these By an intense pulse of radiation which contains a wide range of frequencies By an intense pressure By radio-frequency radiation whose frequency is swept across a predetermined range None of these By an intense pulse of radiation which contains a wide range of frequencies By an intense pressure By radio-frequency radiation whose frequency is swept across a predetermined range ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy In scanning electron microscopy a specimen is fixed and then coated with thin layer of a heavy metal a specimen is not fixed and then coated with thin layer of a heavy metal a specimen is fixed and then coated with transition metal None of these a specimen is fixed and then coated with thin layer of a heavy metal a specimen is not fixed and then coated with thin layer of a heavy metal a specimen is fixed and then coated with transition metal None of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis? Molecular mass Solubility Folding Isoelectric point Molecular mass Solubility Folding Isoelectric point ANSWER DOWNLOAD EXAMIANS APP
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