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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.
Form preview Addis ababa university thesis... The proposal was approved by a letter of clearance from Addis Ababa University School of public health. I am working in the research team of Addis Ababa University school of public health Department of preventive medicine. The clearance paper and a letter asking for cooperation together with the proposal was submitted to the Akaki Basic permission was given. The findings of this study will be disseminated to the industry or Akaki basic metal industry including Addis Ababa university school of public health. Also I would like thank Dr Abera Kumie in sharing idea supporting me in this paper preparation. I am also grateful to the school of public health of Addis Ababa University and the Norwedgian programme for capacity development in higher education and research for development NORHED for funding this paper. ADDIS ABABA UNIVERSITY SCHOOL OF PUBLIC HEALTH DEPARTMENT OF PREVENTIVE MEDICINE ASSESSMENT OF NOISE INDUCED HEARING LOSS AND ASSOCIATED FACTORS AMONG WORKERS IN AKAKI BASIC METAL INDUSTRY ADDIS ABABA ETHIOPIA BY ASHENAFI HAILU A THESIS SUBMITION TO DEPARTMENT OF PUBLIC HEALTH ADDIS ABABA UNIVERSITY IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR A MASTERS DEGREE IN PUBLIC HEALTH. Kjaer Ba Standard Operation manual of digital sound level meter Denmark 2002 10 Annexes Annex I Participant information sheet in English Addis Ababa University Faculty of Medicine School of Public Health You have been chosen the participant in this study which is Assessment of Noise induced hearing loss among Akaki Basic Metal Industry workers in Addis Ababa. Please read the following statements and ask any unclear questions before you agree to participate. DATE JUNE 2015 ADDIS ABABA ETHIOPIA I ADVISORS DR ADAMU ADDISSIE MD MPH MA PhD DR AYELE BELACHEW MD MPH PhD FELLOW II Acknowledgements First of all I would like to thank the Almighty of God for my successful completion of this thesis My Heartfelt thanks goes to my Advisors Dr Adamu Adisse and Dr Ayele Belachew for their guidance supporting commenting and advising me in doing of this thesis. My gratitude to Ato Terefe Alemu from Church of Christ mission Mekanisa Deaf School in Audiometric measurement and consultancy and Ato Debelo Dugassa from Oromia labor and social affairs for his good contribution in this research and material support. Finally I would like to thank Akaki Basic Metal Industry Workers or my study participants data collectors supervisors especially Ato Fasil Kenea and Administrators for their support to get appropriate data on time. Table of content List of Tables. IV List of Figures. V Acronomys. VI Abstract. VII Background. 1 Statement of the problem. 4 Rational of the study. 5 Literature review. 6 Magnitude of occupational noise exposure level and its effect. 6 Noise exposure level and its standards. 7 Prevalence of NIHL and utilization of HPDs. 7 Objectives. 11 General objectives. 11 Specific objectives. 11 Methods and materials. 12 Study design. 12 Study area. 12 Source population -------------------------------------------------------------------------------------- 12 Study population ---------------------------------------------------------------------------------------- 12 Sample size determination.

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