FT IR Spectroscopy
Which of the following is the basis of first dimension of separation for two-dimensional electrophoresis?

Folding
Isoelectric point
Molecular mass
Solubility

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FT IR Spectroscopy
When radiation energy is absorbed by a spin 1/2 nucleus in a magnetic field, what happens?

The nucleus spins faster
None of these
The processional frequency of the nucleus increases
The angle of precession flips so that the magnetic moment of the nucleus opposes the applied field

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FT IR Spectroscopy
In scanning electron microscopy

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

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