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Transcript
Biology: DNA structure and Protein Synthesis DNA structure and Protein Synthesis Questions 1. What is a species? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 2. Define the term heredity? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 3. List the four base pairs which make up DNA ? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 4. What is a gene? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 5. What percentage of human DNA is known to be 'non-coding'? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 6. List the four bases which make up RNA? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 21st March 2012 1 Mr. E Murphy Biology: DNA structure and Protein Synthesis 7. Explain what happens during DNA replication. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 8. Where are chromosomes found? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 9. What is DNA profiling? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 10. There are four steps involved in DNA profiling. Give details of each step, as well as a diagram in the space provided. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 21st March 2012 2 Mr. E Murphy Biology: DNA structure and Protein Synthesis _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 21st March 2012 3 Mr. E Murphy Biology: DNA structure and Protein Synthesis 11. Give two applications of DNA profiling? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 12. What is the difference between phenotype and gene expression? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 13. What is the difference between a mutation and a mutagen? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 14. Give an example of a gene mutation, explaining the symptoms of someone suffering from this disorder. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ ____________________________________________________________________ 21st March 2012 4 Mr. E Murphy Biology: DNA structure and Protein Synthesis 15. Give an example of a chromosome mutation, explaining the symptoms of someone suffering from this disorder. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 16. Explain some potential advantages and disadvantages of genetic screening? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 17. What is a nucleic acid? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ ____________________________________________________________________ 18. What are the three components of DNA. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 21st March 2012 5 Mr. E Murphy Biology: DNA structure and Protein Synthesis 19. Draw a diagram in the space provided below illustrating a double-stranded DNA. 20. List the three components of RNA. Draw a diagram in the space below illustrating a single-stranded RNA. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 21. There are three types of RNA. Explain the role of each. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 21st March 2012 6 Mr. E Murphy Biology: DNA structure and Protein Synthesis 22. There are three requirements for protein synthesis to occur. List the three requirements below. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 23. There are two main steps in protein synthesis. Briefly explain what happens in each. _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 24. What is transcription? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 25. What is translation? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 26. What is a codon? _____________________________________________________________________ _____________________________________________________________________ _____________________________________________________________________ 21st March 2012 7 Mr. E Murphy
