What does prison have in common with biology?

Cell culture.

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Prison Jokes More Prison Jokes

What's the difference between an orphanage and a beach ball?

You won't go to prison for blowing up a beach ball.

What do you call a retarded psychic who just escaped from prison?

A small medium at-large!

Biology Jokes More Biology Jokes

Why did the college student change his major from Biology to Physics after his first exam?

He needed to see if how fast his grade dropped broke any laws of physics.

Why don't biology and physics get on?

They lack chemistry.