FT IR Spectroscopy How do you turn a signal recorded in the time domain into a frequency domain signal? 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 By use of a Michelson interferometer 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 partial cleavage of the original polypeptide into smaller polypeptides All of these identification of the -COOH terminal amino acids identification of the -NH2 terminal amino acids partial cleavage of the original polypeptide into smaller polypeptides All of these identification of the -COOH terminal amino acids ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy An FT-IR instrument record a signal in the both (a) and (b) none of these time domain frequency domain both (a) and (b) none of these time domain frequency domain ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What does the Michelson interferometer do? Split a polychromatic beam of radiation into its component wavelengths Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector None of these Selectively filter certain wavelengths from a beam of I.R. radiation Split a polychromatic beam of radiation into its component wavelengths Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector None of these Selectively filter certain wavelengths from a beam of I.R. radiation ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens? None of these The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field The nucleus spins faster The processional frequency of the nucleus increases None of these The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field The nucleus spins faster The processional frequency of the nucleus increases 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