Download So You Think

Name: ____________________________________________
So You Think You Know It All…
DNA, RNA and Proteins
Before
After
________________ 1. DNA is made up of three repeating nucleotides
represented by four letters : ____, ____, ____, ____.
________________
________________ 2. ______% of a human’s DNA is “junk”.
________________
________________ 3. DNA replication (copying) happens during this
cell stage.
________________
________________ 4. __________________ and __________________ ________________
won the Nobel Prize for discovering the shape of DNA.
________________ 5. DNA is said to have a ___________ ___________ ________________
shape.
________________ 6. Weak _________________ bonds allow the DNA ________________
molecule to “unzip”.
________________ 7. RNA contains three of the same nucleotides, only ________________
____ is replaced with ____.
________________ 8. RNA is also different from DNA because it has
_________________ instead of deoxyribose sugar.
________________
________________ 9. Translation (the making of proteins) happens at
this organelle.
________________
________________ 10. Three letters on an mRNA molecule that code
for an amino acid are called a __________________.
________________
________________ 11. Proteins are just long chains of ______________ ________________
________________.
________________ 12. Cells have genes like the lac operon in order to
save ___________________.
________________