FT IR Spectroscopy In FT-NMR, how are nuclei excited? 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 By an intense pressure None of these 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 By an intense pressure None of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What is meant by rotating frame of reference? None of these 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 sample is spun rapidly in the applied field That the detector rotates around the sample None of these 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 sample is spun rapidly in the applied field That the detector rotates around the sample ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy How do you turn a signal recorded in the time domain into a frequency domain signal? Measurement of peak areas None of the above Fourier transformation By use of a Michelson interferometer Measurement of peak areas None of the above Fourier transformation By use of a Michelson interferometer 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 - spin relaxation Spin - spin relaxation None of these Spin - lattice relaxation Spin - spin - spin relaxation Spin - spin relaxation None of these Spin - lattice relaxation ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy In immunofluroscence microscopy, fluroscent compounds are attached to an antibody specific for the subcellular structure bound antibody specific for the subcellular structure none of these an antigen specific for the subcellular structure an antibody specific for the subcellular structure bound antibody specific for the subcellular structure none of these an antigen specific for the subcellular structure 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 -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 ANSWER DOWNLOAD EXAMIANS APP
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