Protein Synthesis Webquest Name_______________________________ Biology 5.0 Date: Period: Go to http://learn.genetics.utah.edu/content/molecules/ Please complete each section listed below and write a brief summary of your experience in that section of the website. WHAT IS DNA? BUILD A DNA MOLECULE WHAT IS A GENE? ANATOMY OF A GENE THINGS YOU MAY NOT KNOW ABOUT DNA RNA: THE VERSATILE MOLECULE RNA’S ROLE IN THE CENTRAL DOGMA TRANSCRIBE AND TRANSLATE A GENE WHAT MAKES A FIREFLY GLOW? HOW DO CELLS READ GENES? WHAT IS A PROTEIN TYPES OF PROTEINS http://www.lpscience.fatcow.com/jwanamaker/animations/Protein%20Synthesis%20-%20long.html Run the animation and answer these questions 1. Where is the information found to make proteins? ______________________________________________ 2. What are proteins used for? ________________________________________________________________ 3. Proteins are long chains of what compound? 4. What do genes do? ______________________________________________________________________ 5. What is the first step in Protein synthesis? ____________________________________________________ 6. How many sides of the DNA are used during transcription? 7. Name one difference between DNA and RNA. _________________________________________________ 8. True or False- The DNA remains in side of the nucleus? 9. Where does the transcription of mRNA take place? 10. Do chromosomes leave the nucleus? 11. Where does the mRNA travel to? 12. What are ribosomes? _____________________________________________________________________ 13. What is a protein? _______________________________________________________________________ 14. How many subunits code for a particular amino acid? ___________ 15. What does transfer RNA (tRNA) do? ________________________________________________________ 16. What type of bond is created between two amino acids? _______________________ 17. What is a chain of amino acids called? ______________________ 18. Why is the shape of a protein important? _____________________________________________________ 19. How would a change in the DNA code effect a protein? http://www.wisc-online.com/objects/index_tj.asp?objid=AP1302 Read the animation page by page – just click the “next” button when you are ready to move on. 1. How does the mRNA leave the nucleus? ______________________________________ 2. Is just one mRNA molecule made? Explain. 3. How many amino acids does each codon code for? ____________________ 4. Describe the structure of a tRNA molecule. 5. In the diagram above label the ribosome, mRNA, tRNA, amino acids, anticodon. 6. Where does the energy to form the peptide bond between two amino acids come from? 7. What has been created when all of the amino acids have been brought to the ribosome? 8. After the amino acid chain leaves the ribosome, what happens to the shape of the chain? 9. Can a single mRNA be read more than once? Explain.