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 ensure that all target nuclei in the sample have been excited To remove inaccuracies caused by fluctuations in the applied magnetic field To increase sensitivity None of these To ensure that all target nuclei in the sample have been excited To remove inaccuracies caused by fluctuations in the applied magnetic field To increase sensitivity ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy How do you turn a signal recorded in the time domain into a frequency domain signal? None of the above 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 ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy The frequency of precession, the transition frequency and the Larmor frequency are different terms for the different frequency different terms for the same frequency same terms for the same frequency same terms for the different frequency different terms for the different frequency different terms for the same frequency same terms for the same frequency same terms for the different frequency 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 identification of the -COOH terminal amino acids identification of the -NH2 terminal amino acids All of these partial cleavage of the original polypeptide into smaller polypeptides identification of the -COOH terminal amino acids identification of the -NH2 terminal amino acids All of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy In FT-NMR, how are nuclei excited? By an intense pressure By radio-frequency radiation whose frequency is swept across a predetermined range By an intense pulse of radiation which contains a wide range of frequencies None of these By an intense pressure By radio-frequency radiation whose frequency is swept across a predetermined range By an intense pulse of radiation which contains a wide range of frequencies None of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Negative staining is a technique used in light microscopy immunocytochemistry gel electrophoresis electron microscopy light microscopy immunocytochemistry gel electrophoresis electron microscopy ANSWER DOWNLOAD EXAMIANS APP