![I realize you're currently at the mercy
of your biological urges...
I realize you're currently at the mercy
of your biological urges...](https://content2.mcqstudy.com/ss/tbbt-3-1-00:05:57.757.jpeg)
I realize you're currently at the mercy
of your BIOLOGICAL urges...
The Big Bang Theory Season 3, Episode 1
![Well, there is
a deep-seated biological drive
Well, there is
a deep-seated biological drive](https://content2.mcqstudy.com/ss/tbbt-12-12-00:15:19.266.jpeg)
Well, there is
a deep-seated BIOLOGICAL drive
The Big Bang Theory Season 12, Episode 12
![Just remember, Leonard, where
your biological family has failed you...
Just remember, Leonard, where
your biological family has failed you...](https://content2.mcqstudy.com/ss/tbbt-3-11-00:13:12.520.jpeg)
Just remember, Leonard, where
your BIOLOGICAL family has failed you...
The Big Bang Theory Season 3, Episode 11
![has got my biological clock
ticking like crazy.
has got my biological clock
ticking like crazy.](https://content2.mcqstudy.com/ss/tbbt-11-17-00:00:48.046.jpeg)
has got my BIOLOGICAL clock
ticking like crazy.
The Big Bang Theory Season 11, Episode 17
![That's a biological impossibility,
and you didn't have to come.
That's a biological impossibility,
and you didn't have to come.](https://content2.mcqstudy.com/ss/tbbt-1-1-00:16:27.527.jpeg)
That's a BIOLOGICAL impossibility,
and you didn't have to come.
The Big Bang Theory Season 1, Episode 1