FT IR Spectroscopy What does the Michelson interferometer do? 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 None of these 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 Selectively filter certain wavelengths from a beam of I.R. radiation None of these Split a polychromatic beam of radiation into its component wavelengths ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy The sequence of amino acids in proteins can be determined by means of All of these identification of the -NH2 terminal amino acids partial cleavage of the original polypeptide into smaller polypeptides identification of the -COOH terminal amino acids All of these identification of the -NH2 terminal amino acids partial cleavage of the original polypeptide into smaller polypeptides identification of the -COOH terminal amino acids ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What is meant by rotating frame of reference? If the laboratory itself is imagined to be rotated at the Larmor frequency, viewing that individual magnetic moment vectors are fixed in space None of these That the sample is spun rapidly in the applied field That the detector rotates around the sample If the laboratory itself is imagined to be rotated at the Larmor frequency, viewing that individual magnetic moment vectors are fixed in space None of these That the sample is spun rapidly in the applied field That the detector rotates around the sample ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy Cytochrome C has an isoelectric pH of 10.05 8.5 7.5 11.05 10.05 8.5 7.5 11.05 ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens? The processional frequency of the nucleus increases None of these The nucleus spins faster The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field The processional frequency of the nucleus increases None of these The nucleus spins faster The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field 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 Solubility Molecular mass Folding Isoelectric point Solubility Molecular mass Folding ANSWER DOWNLOAD EXAMIANS APP
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