- What do you call an acid with an attitude? A-mean-oh-acid
- If I had a choice between DNA and RNA I would choose RNA because it has U in it.
- I wish I was adenine. Then I could get paired with you!
- You are the substrate to my enzyme and nothing could ever denature us!
- When is the moon going broke? When it’s down to it’s last quarter.
- How do martians shave? With laser blades.
- Did you hear about the new restaurant on the moon? Great food, but no atmosphere.
- What was the first animal in space? The cow. It jumped over the moon.
- What do you do to get ready for an astronaut’s birthday? You plan-et.