1. 2. 3. 4. 5. Write out the full name for DNA............................................................................................................. DNA can be found in what organelles in the cell?.................................................................................. Between what parts of the nucleotides are hydrogen bonds present?.................................................. Describe the base pairing........................................................................................................................ What are the parts of a nuceotide of DNA?............................................................................................ ................................................................................................................................................................ 6. Why is the structure of DNA called a double helix?................................................................................ ................................................................................................................................................................ 7. The DNA molecule is held together by................................................................................................... 8. Comparing the DNA structure to a ladder, which parts make up: a) the ladder sides (backbone).............................................................................................................. b) ladder rungs?.................................................................................................................................... 9. Who discovered DNA and where?.......................................................................................................... 10. Who are the scientists credited with working out the details on the DNA structure? ................................................................................................................................................................ 11. What scientists were awarded by Nobel prize for establishing the structure of DNA?.......................... ................................................................................................................................................................ 12. Copying DNA to make two, identical DNA molecules is called .............................................................. 13. The enzymes that break down hydrogen bonds and uwind DNA are..................................................... 14. During replication, what enzyme add complementary bases?............................................................... 15. A DNA strand has the following bases AAGGCA. What are the bases on its complementary strand? ................................................................................................................................................................ 16. Write out the full name for RNA............................................................................................................. 17. Name three differences between DNA and RNA ................................................................................... ................................................................................................................................................................ ................................................................................................................................................................ 18. What is the full name and role of : a) m-RNA................................................................................................................................................. b) t-RNA................................................................................................................................................... c) r-RNA................................................................................................................................................... 19. If DNA molecule is found to be composed of 40% of thymine, what percentage of guanine would be expected?
