Bernadette studies YEAST,
the organism responsible for Michelob Light.
The Big Bang Theory Season 4, Episode 24
go talk to that skinny YEAST factory
of a girlfriend you got.
Breaking Bad Season 2, Episode 3
Yeah, they say the YEAST in beer
helps with milk production.
The Big Bang Theory Season 10, Episode 22
In microbiology, the most exciting thing
I get to work with is YEAST.
The Big Bang Theory Season 3, Episode 10