FT IR Spectroscopy Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis? Folding Isoelectric point Molecular mass Solubility Folding Isoelectric point Molecular mass Solubility ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What is meant by rotating frame of reference? If the laboratory itself is imagined to be rotated at the Larmor frequency, viewing that individual magnetic moment vectors are fixed in space That the detector rotates around the sample None of these That the sample is spun rapidly in the applied field If the laboratory itself is imagined to be rotated at the Larmor frequency, viewing that individual magnetic moment vectors are fixed in space That the detector rotates around the sample None of these That the sample is spun rapidly in the applied field 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 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 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? None of these To remove inaccuracies caused by fluctuations in the applied magnetic field To increase sensitivity To ensure that all target nuclei in the sample have been excited None of these To remove inaccuracies caused by fluctuations in the applied magnetic field To increase sensitivity To ensure that all target nuclei in the sample have been excited ANSWER DOWNLOAD EXAMIANS APP
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 None of these By radio-frequency radiation whose frequency is swept across a predetermined range By an intense pressure By an intense pulse of radiation which contains a wide range of frequencies None of these By radio-frequency radiation whose frequency is swept across a predetermined range ANSWER DOWNLOAD EXAMIANS APP
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