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.