Where Do Individual Peptides Get Fragmented in a Tandem Mass

Question

Where do individual peptides get fragmented in a tandem mass spectrometry (MS/MS) set-up?
A) Electrospray ion source
B) Mass filter
C) Inert gas chamber
D) Mass analyzer
E) Detector

Accepted Answer

In MS/MS, a collision chamber containing a high-energy inert gas connects the two mass analyzers (the first one acting as a mass filter) and is the place where fragmentation of precursor ions takes place.