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STUDY GUIDE EXAM #3 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. Frameshift mutations may be caused by A specific gene is always found on only one strand of the DNA double helix. The strand that is not being transcribed into mRNA is called the: Which of the following could have a role in the reason that few mistakes occur in the process of DNA replication? Finish this statement: “When genetic information goes through the process of translation The site where RNA polymerase attaches to the DNA molecule to start the formation of an RNA molecule is called a(n) A retrovirus such as HIV is distinctive in that it contains An important role of DNA polymerase is Nucleotides making up mature mRNA and specifying the sequence of amino acids in a polypeptide are called Which of the following would be a role or roles of a ribosome? Which of the following occurs inside the nucleus of a cell as opposed to the cytoplasm of the cell? The site on the ribosome where the initiator tRNA matches up with the start codon is called the Which of the following is part of the structure of a DNA Nucleotide? What happens during the process of elongation? 14. Match the function with the correct term. a. DNA Helicase b. DNA Ligase c. RNA Polymerase d. DNA Polymerase 15. Draw a representation of the structure of a double stranded showing how all the nucleotides fit together. DNA helix (12) a) make the double helix four nucleotides long on each strand. b) on one nucleotide, number all the carbons on the ribose sugar and show which carbon is connected to the phosphorous in forming the DNA polymer and the carbon connecting the sugar to the nitrogenous base. 16. Using the following DNA sequences representing the coding strand and the attached table, answer the following questions related to Cystic Fibrosis. (7) first base U C A second base U UUU = phe UUC = phe UUA = leu UUG = leu CUU = leu CUC = leu CUA = leu CUG = leu AUU = ile AUC = ile AUA = ile AUG = met* G GUU = val GUC = val GUA = val GUG = val third base C UCU = ser UCC = ser UCA = ser UCG = ser CCU = pro CCC = pro CCA = pro CCG = pro ACU = thr ACC = thr ACA = thr ACG = thr A UAU = tyr UAC = tyr UAA = stop UAG = stop CAU = his CAC = his CAA = gln CAG = gln AAU = asn AAC = asn AAA = lys AAG = lys G UGU = cys UGC = cys UGA = stop UGG = trp CGU = arg CGC = arg CGA = arg CGG = arg AGU = ser AGC = ser AGA = arg AGG = arg U C A G U C A G U C A G GCU = ala GCC = ala GCA = ala GCG = ala GAU = asp GAC = asp GAA = glu GAG = glu GGU = gly GGC = gly GGA = gly GGG = gly U C A G