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Protein Synthesis Review Sheet Due the Day of the Test NAME _______________________________ I. RNA 1. What does ‘RNA’ stand for? 2. What are the 4 bases of RNA and how do they pair up? a. b. c. d. 3. Name the two types of RNA and the basic function of each. II. Protein Synthesis List the 5 steps of protein synthesis here (use separate notes handout): 1. 2. 3. 4. 5. 6. What is ‘transcription’? 7. Where in the cell does transcription take place? 8. What are 3-base triplets of mRNA called? 9. How is it possible for an amino acid to be specified by more than one kind of codon? 10. What enzyme is involved in transcription by unzipping DNA (it’s not helicase!)? 11. Where does the mRNA go after it leaves the nucleus? 12. What is “translation”? How does it stop? 13. What are the 3-base triplets of tRNA called that complement the mRNA? 14. What is attached to the tRNA strand that is the building block of protein? 15. Use the chart from above to answer the questions below: DNA TAG CAT GAT TAA mRNA Amino Acid 16. What is the new amino acid if the first “G” is substituted with a “T”? 17. Define a “mutation”. 18. Try this table: AGA GCA DNA T G A C T G A A G G C T A A C T T G mRNA tRNA Amino Acid (Use decoder with mRNA codons!!)