FT IR Spectroscopy Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis? Molecular mass Solubility Isoelectric point Folding Molecular mass Solubility Isoelectric point Folding ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy In scanning electron microscopy a specimen is not fixed and then coated with thin layer of a heavy metal None of these a specimen is fixed and then coated with thin layer of a heavy metal a specimen is fixed and then coated with transition metal a specimen is not fixed and then coated with thin layer of a heavy metal None of these a specimen is fixed and then coated with thin layer of a heavy metal a specimen is fixed and then coated with transition metal 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 What is meant by rotating frame of reference? 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 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 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 nucleus spins faster The processional frequency of the nucleus increases The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field None of these The nucleus spins faster The processional frequency of the nucleus increases The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field None of these ANSWER DOWNLOAD EXAMIANS APP
FT IR Spectroscopy What does the Michelson interferometer do? 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 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 ANSWER DOWNLOAD EXAMIANS APP
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