Structure & Function of DNA Notesheet Name: Hour Date Assignment is due: Thursday Day of Week Date: Score: + ✓ - Why late? Date C. Kohn, Waterford WI If your project was late, describe why Wrap-up Score: + ✓ - Directions: Use the accompanying PowerPoint (http://bit.ly/dna-ppt) to complete this sheet. This sheet will be due upon the completion of the PowerPoint in class. These assignments are graded on a +/√/- scale. 1. A gene is simply responsible for a specific trait 2. Genes are found in that creates the ; are made of DNA 3. Fill in the blanks 4. The three components of DNA are a. b. c. 1 5. Fill in the blanks 1. 2 2. 3 3. Copyright 2012 by Craig Kohn, Agricultural Sciences, Waterford WI. This source may be freely used and distributed provided the author is cited. 6. The sugar and phosphate molecules comprise the DNA molecule or of the 7. The nitrogenous base is used to 8. A nucleotide is a 9. What are the four nitrogenous bases? 10. What are the only two combinations of base pairs possible? a. b. 11. What phrase could help you to remember this combination? 12. What are the two reasons for why there are only two possible combinations of bases? 1 2 13. What are the two categories of bases? Name them and draw them below a. b. 14. Two pyrimidines would be too to 15. Two purines would be be too to 16. Thymine and Adenine have binding sites; Cytosine and Guanine have Copyright 2012 by Craig Kohn, Agricultural Sciences, Waterford WI. This source may be freely used and distributed provided the author is cited. binding sites. 17. Why is this information necessary to understand the structure and function of DNA? 18. A single-stranded copy of DNA is called a. In regards to the Armstrong Brothers, this would be 19. RNA is a of DNA 20. DNA and RNA are different in what 3 major ways? 1 2 3 21. Transcription is 22. List and briefly describe the three stages of transcription: 1 2 3 23. Polymerase is 24. Helicase is 25. Elongation is when 26. Create the mRNA strand for the bottom section of DNA below: 3’-A-T-C-G-A-A-G-C-T-T-A-G-C-T-T-C-G-A-5’ 5’-T-A-G-C-T-T-C-G-A-A-T-C-G-A-A-G-C-T-3’ mRNA:_____________________________________ Copyright 2012 by Craig Kohn, Agricultural Sciences, Waterford WI. This source may be freely used and distributed provided the author is cited. 27. In RNA, T’s are so TAGCTA would actually be: 28. What does it mean that “transcription always occurs in a 5’ > 3’ direction? 29. Translation is 30. The mRNA strand’s letters are read in 31. For the strand below, write down its codons beneath: AUCGUAUGCCCCUGA 32. A codon is 33. Each codon codes for a specific 34. Write what the following codons would code for: a. GCU b. UAC c. AAA 35. Write the codon for each of the following amino acids (you only need one of the possible codons) a. Asn b. Pro c. His Copyright 2012 by Craig Kohn, Agricultural Sciences, Waterford WI. This source may be freely used and distributed provided the author is cited. 36. How does tRNA know which amino acid to bring? 37. A protein is a 38. The function of a protein , and their determine the 39. Describe each of the following: a. Primary Structure b. Secondary Structure c. Tertiary Structure d. Quaternary Structure 40. How do transcription and translation differ? Transcription occurs in the while Translation occurs in the The following are involved with Transcription: The following are involved with Translation: Transcription is about making a of mRNA while translation is about using mRNA to…. 41. How do we go from “Gg” in a Punnett square to “Polled” or “Connected Earlobes” in a person or animal? Copyright 2012 by Craig Kohn, Agricultural Sciences, Waterford WI. This source may be freely used and distributed provided the author is cited. Unit Wrap-up C. Kohn, Agricultural Sciences - Waterford WI Name: Hour Date Assignment is due: Thursday Day of Week Date: Score: + ✓ - Why late? Date If your project was late, describe why 1. Write the 3 topics that you found least easy to understand in this unit: 1_ 2_ 3_ 2. What are the 5 things you most need to review before taking your next quiz? 1_ 2_ 3 4_ 5_ 3. Create 3 high-level questions related to this material: 1_ 2_ 3_ 4. List 6 vocabulary words that you did not know before or have almost never used before: 1_ 2 3 4 5 6 5. What is a strategy that you have for remembering a specific item from this unit? _ Copyright 2012 by Craig Kohn, Agricultural Sciences, Waterford WI. This source may be freely used and distributed provided the author is cited.