FT IR Spectroscopy
In immunofluroscence microscopy, fluroscent compounds are attached to

an antibody specific for the subcellular structure
an antigen specific for the subcellular structure
bound antibody specific for the subcellular structure
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
Selectively filter certain wavelengths from a beam of I.R. radiation
Modulate the I.R. signal at a lower frequency, so that it can be observed by a detector

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
The nucleus spins faster
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
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
None of these
a specimen is not fixed and then coated with thin layer of a heavy metal

ANSWER DOWNLOAD EXAMIANS APP