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Form preview Protein synthesis webquest wor... Name Date Period Protein Synthesis Webquest Objective The purpose of this assignment is to give you a better understand of how the message found on a molecule of DNA is used to build a protein. Link 1 DNA and RNA Comparison 1. Read the information presented on the website and organize it in the following chart. Nucleic Acid Sugar of strands Nitrogen Bases DNA RNA 2. Identify the function of the three types of RNA molecules. a* Ribsosomal RNA rRNA b. Messenger RNA mRNA c* Transfer RNA tRNA Link 2 Protein Synthesis Overview 3. Define Protein Synthesis 4. Summarize the importance of proteins in living organisms. 5. What are the monomers also called building blocks or subunits of the protein polymer 6. Segments of DNA which code for proteins are known as. a* How does this describe how to make proteins b. Location in Cell 7. Generally speaking list the steps which allow a cell to go from DNA building a protein* DNA of a specific gene unzips. a protein is built and released* 8. Where in the cell does transcription occur the making of RNA from DNA 9. RNA is read one codon at a time. A codon consists of nitrogen bases. 10. What brings or transfers the proper amino acid to the ribosome 11. Amino acids are joined together by bonds which explains why proteins are also sometimes known as chains. 12. What ultimately determines the function of a protein 13. Read and click slides 1 4. Use slide 4 to draw a picture of an unzipped and exposed gene being used to create a molecule of mRNA during transcription* Be sure to label both the DNA and RNA sequences pairing the correct complementary bases. 14. How does the mRNA molecule leave the nucleus 15. Click and read slides 1 8. Use slides 8 and 9 to help you draw several transfer RNA tRNA molecules. Be sure to label the anticodon the binding site and the attached amino acid* polypeptide chain protein during translation* Label the following terms ribosome mRNA tRNA codon anticodon amino acid growing polypeptide chain* 17. What happens to the mRNA molecule when protein production is complete Link 4 Transcription and Translation Practice Click on Protein Synthesis and unzip your molecule of DNA. 18. Practice transcription by building a molecule of RNA by using DNA as a template. Give the complementary sequence below. DNA Sequence T A C G 19. In real life what would happen to the messenger RNA mRNA molecule you just created 20. Match the complementary anticodons on the tRNA molecules. Identify the coded amino acids below. a* mRNA codon A U G i. What is the complementary tRNA anticodon ii. This codon signals for which amino acid b. mRNA codon G G C c* mRNA codon U C C 21. How do you know when the protein being built is complete Link 5 - Final Analysis 22. Use the diagram in the bottom right corner. In summary what IS transcription DNA RNA Protein. Label all major parts 25. Build the protein using the given DNA sequence and the chart seen on the right of the webpage. Read the information presented on the website and organize it in the following chart. Nucleic Acid Sugar of strands Nitrogen Bases DNA RNA 2. Identify the function of the three types of RNA molecules. a* Ribsosomal RNA rRNA b. Messenger RNA mRNA c* Transfer RNA tRNA Link 2 Protein Synthesis Overview 3.

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