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Name: ___________________________________________ Date: ___________________ Period: _____ Translation Internet Lesson Answer the questions below by visiting the web site below. http://gslc.genetics.utah.edu/units/basics/ Click BUILD A DNA MOLECULE 1. a. Which two parts make up the sides of a “double helix”? b. Which parts make up the “rungs” of the DNA ladder? a. __________________________________________________ b. __________________________________________________ 2. In the blue box, drag the following bases (ACGTT) to the left side of the DNA ladder. Fill in the DNA bases. Click the BACK button and then click TRANSCRIBE AND TRANSLATE A GENE 3. a. What does each gene code for? b. How many genes make up a human being? a. _____________________________________ b. _____________________________________ 4. Which two steps are performed to make a protein? ________________________________________ 5. Define the following: a. TRANSCRIPTION. __________________________________________________________ ___________________________________________________________________________ b. TRANSLATION. ____________________________________________________________ ___________________________________________________________________________ 6. What does a string of amino acids create? _______________________________________________ Right Side Reading: Transcription 7. Where does transcription take place? ___________________________________________________ 8. Which molecule receives a copy of the gene sequence during transcription? ____________________ Right Side Reading: Translation 9. Which object reads mRNA? __________________________________________________________ 10. What is the start sequence? ___________________________ 11. What do the stop codons tell a ribosome? _________________________________________________________________________________ Click CLICK HERE TO BEGIN 12. You are given a strand of DNA. You must perform transcription and type in the proper RNA bases. Fill in the boxes below indicating which RNA bases you entered. 13. After transcription is finished, what happens to the DNA that was used? _________________________________________________________________________________ 14. Examine the UNIVERSAL GENETIC CODE chart. Methionine (MET) is the start codon. Which three RNA bases create the amino acid methionine (MET)? ________________________ 15. Move the mouse over the strand of mRNA. Click the mouse button when you find the START codon. Which amino acid corresponds with the start codon? _______________________________________ 16. You now must perform translation. Drag the correct amino acid over to the flashing black box. Continue to drag the correct amino acid over until the end is reached. Which amino acids did you drag over to the ribosome? AUG = ____________________ GUG = _________________________ CUA = ____________________ UUC = _________________________ GAC = ____________________ UAG = _________________________ 17. How many amino acids exist? _________________________