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
All of these
identification of the -COOH terminal amino acids
identification of the -NH2 terminal amino acids

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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
None of these
Split a polychromatic beam of radiation into its component wavelengths
Selectively filter certain wavelengths from a beam of I.R. radiation

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