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Name: _____________________ Hour: ______ Date: _________ 1. 2. 3. 4. Go the following website: http://www.pbs.org/wgbh/aso/tryit/dna/ Click on the link that says “DNA Workshop Activity” A new window should open. Follow the directions and answer the questions as you go along. First click the button in the upper left that says “DNA Replication.” Follow the prompts and go through the animation. You can repeat if necessary. a. What kind of protein unzips the DNA to start the process? b. Which bases always pair with each other? c. Where in the cell does replication take place? 5. Click on the “Protein Synthesis” button in the upper right hand corner of the screen. Follow the prompts through the animation and repeat if necessary. a. What base is present in RNA that was not present in DNA? b. Why do you think they made the RNA “backbone” pink when the DNA backbone is a different color? (Hint: What is different about a DNA and a RNA backbone?) c. What is the process of making RNA from DNA called? d. Where in the cell is RNA made from DNA? e. What is the process of assembling amino acids into proteins from the mRNA called? f. Where in the cell are amino acids assembled to make proteins? Answer the following questions: DNA Strand 1: C G T A C T C C C G C A C C A G G A C T A A 1. If the above DNA sequence is Strand 1, what would strand 2 look like? 2. Transcribe the above DNA Strand 1. 3. What would be the translated protein that results when the above strand is transcribed then translated? Use your Condo chart. (Hint: Remember to start with the start codon.) 4. What would happen if you make the translated protein that didn’t start at the start codon, you just started at the beginning of the mRNA strand? How does the amino acid sequence compare to your answer in 4?