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Name: ___________________________________________________________ Date: _______________ Period: ______ Translation Tutorial Directions: Open the PowerPoint titled “Translation Tutorial” and press the F5 button to start. Click “START FROM BEGINNING” Translation 1. What happens at the ribosome? _________________________________________________________________ 2. Define TRANSLATION. ___________________________________________________________________________________________ Transcription Review 3. Where inside a cell does transcription take place? ___________________________________________________ 4. What is the job of RNA polymerase? ______________________________________________________________ 5. Which type of organic molecule is RNA polymerase? _________________________________________________ 6. What attaches to the DNA once it has been separated? ______________________________________________ 7. Where does mRNA travel after exiting the nucleus? _________________________________________________ Translation Process 8. What are three consecutive mRNA nucleotides called? _______________________________________________ 9. How many codons are shown in the picture? _______________________________________________________ 10. What is created from a series of amino acids? ______________________________________________________ The Genetic Code: When needed, use the chart below to answer various questions that follow. AUG Codon 11. Which amino acid matches with the AUG codon? ___________________________________________________ 12. What is unique about the AUG codon besides matching for Methionine? ________________________________ CCA Codon 13. Which amino acid matches with the CCA codon? ___________________________________________________ 14. What do the STOP codons do? __________________________________________________________________ 15. List the three STOP codons. a. _________________ b. _________________ c. _________________ Transfer RNA 16. What is the role of tRNA? ______________________________________________________________________ 17. Where can the tRNA and amino acids be found? ____________________________________________________ Watching the Process 18. Which organelle begins to read the mRNA? ________________________________________________________ 19. AUG = which amino acid? ______________________________________________________________________ 20. Who/what delivers the amino acids to the ribosome? ________________________________________________ 21. CCA = which amino acid? ______________________________________________________________________ 22. UAU = which amino acid? ______________________________________________________________________ 23. GGC = which amino acid? ______________________________________________________________________ 24. When finished, how many amino acids are most proteins? ____________________________________________ 25. Finished proteins are exported from the cell by which organelle? ______________________________________ Final Review Questions 1. Which process creates the mRNA that is read by the ribosome? ________________________________________ 2. What does tRNA deliver to the ribosome? _________________________________________________________ 3. Which molecule directly determines which amino acid transfer RNA delivers to the ribosome? _______________ 4. Where does the process of translation take place? __________________________________________________ 5. If the DNA code was TTC-AAT-GGC, perform transcription to determine the mRNA code. DNA T T C A A T G G mRNA 6. If the mRNA code is AAG-UUA-CCG, which three amino acids are going to be delivered to the ribosome? mRNA Amino Acid AAG UUA CCG C