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NAME _____________ RICE KRISPIE TREATS! A PROTEIN SYNTHESIS SIMULATION 1. List your group members: rRNA ___________________ mRNA __________________ tRNA 1: ___________________ tRNA 3: _________________ tRNA 2: ___________________ tRNA 4: _________________ 2. Group color ____________ 3. For each item listed below, identify the molecule or process in protein synthesis that is being simulated. SIMULATION PROTEIN SYNTHESIS 4. Description of finished protein: Science Office Colored Papers in Office Code on colored cards 5. Correct polypeptide shown: (get Ingredients and instructions stamp) Final Product Person going to science office Table with ingredients 6. Lab cleaned up according to Lab station directions: (get stamp) Group Leader Students with cards Analysis Questions 1. Check with the other groups in the class. What other variants of the gene exist? How similar or dissimilar were their DNA sequence? 2. In real life, how can mutations occur? List at least two mutagens. What things do teenagers do that could cause mutations? 3. Could the same mRNA be used again by passing it to the next station? Can/does this occur in the cell also? 4. Can a specific tRNA pick up different ingredients? Explain. 5. Can a tRNA be used again? Explain. 6. Were all the codons involved in the production of this polypeptide (protein)? Give examples. 7. Were all the amino acids (ingredients) present in the room used to make this polypeptide? 8. If an essential amino acid were not present in a person’s diet could all proteins be made? 9. Give an example from the lab of an amino acid that had to be present before the polypeptide could be produced. 10. Explain the analogy made to the process of protein synthesis.