
I have plenty of
experience in BIOLOGY.
The Big Bang Theory Season 5, Episode 16

I'm rusty on my BIOLOGY.
Breaking Bad Season 3, Episode 11

You know, BIOLOGY.
The Big Bang Theory Season 1, Episode 12

it was an achievement
in the field of BIOLOGY.
The Big Bang Theory Season 5, Episode 12

Let's go to the BIOLOGY lab and
find you some nice yummy mice.
The Big Bang Theory Season 5, Episode 7