FT IR Spectroscopy
The sequence of amino acids in proteins can be determined by means of

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

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FT IR Spectroscopy
In FT-NMR, how are nuclei excited?

By an intense pulse of radiation which contains a wide range of frequencies
By an intense pressure
None of these
By radio-frequency radiation whose frequency is swept across a predetermined range

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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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