FT IR Spectroscopy The sequence of amino acids in proteins can be determined by means of 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 partial cleavage of the original polypeptide into smaller polypeptides identification of the -COOH terminal amino acids identification of the -NH2 terminal amino acids ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis? Solubility Folding Molecular mass Isoelectric point Solubility Folding Molecular mass Isoelectric point 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 an antigen specific for the subcellular structure none of these an antibody specific for the subcellular structure bound antibody specific for the subcellular structure an antigen specific for the subcellular structure none of these 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 Fourier transformation Measurement of peak areas None of the above By use of a Michelson interferometer Fourier transformation Measurement of peak areas None of the above ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What does the Michelson interferometer do? None of these Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector Selectively filter certain wavelengths from a beam of I.R. radiation Split a polychromatic beam of radiation into its component wavelengths None of these Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector Selectively filter certain wavelengths from a beam of I.R. radiation Split a polychromatic beam of radiation into its component wavelengths 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 ensure that all target nuclei in the sample have been excited To increase sensitivity To remove inaccuracies caused by fluctuations in the applied magnetic field None of these To ensure that all target nuclei in the sample have been excited To increase sensitivity To remove inaccuracies caused by fluctuations in the applied magnetic field ANSWER DOWNLOAD EXAMIANS APP
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