Two Fluorescent Proteins (Protein 1 and Protein 2)are Used in a FRET

Two fluorescent proteins (protein 1 and protein 2) are used in a FRET experiment and are illuminated with light that excites protein 1. If the proteins are close enough for energy transfer to occur, what wavelength(s) of light will be detected?

A) The light that excites protein 1
B) The light that is emitted by protein 1
C) The light that excites protein 2
D) The light that is emitted by protein 2
E) No light will be detected, because the fluorescence of proteins 1 and 2 will cancel out

Correct Answer:

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