FT IR Spectroscopy The frequency of precession, the transition frequency and the Larmor frequency are different terms for the different frequency same terms for the same frequency same terms for the different frequency different terms for the same frequency different terms for the different frequency same terms for the same frequency same terms for the different frequency different terms for the same frequency ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis? Isoelectric point Folding Solubility Molecular mass Isoelectric point Folding Solubility Molecular mass 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 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 None of these To remove inaccuracies caused by fluctuations in the applied magnetic field ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What is the name given to the relaxation process due to an interaction between an excited nucleus and the magnetic fields caused by nuclei in molecules moving around in the sample? Spin - spin relaxation Spin - lattice relaxation None of these Spin - spin - spin relaxation Spin - spin relaxation Spin - lattice relaxation None of these Spin - spin - spin relaxation ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy How do you turn a signal recorded in the time domain into a frequency domain signal? By use of a Michelson interferometer Measurement of peak areas Fourier transformation None of the above By use of a Michelson interferometer Measurement of peak areas Fourier transformation None of the above ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy The sequence of amino acids in proteins can be determined by means of 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 identification of the -NH2 terminal amino acids ANSWER DOWNLOAD EXAMIANS APP
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