Study guide for quiz on DNA Vocabulary to know: DNA RNA Ribosome Replicate Gene expression Template Nucleotide Transcription Translation Double helix Complementary base pairing Chromosome Questions to be able to answer: 1. What are the 3 parts of a nucleotide? (Be able to label them.) 2. What makes up the backbone of the DNA double helix? 3. What makes up the “rungs” of the DNA “ladder”? 4. What letters represent the 4 nitrogen bases in DNA? 5. Which letters bind with which? 6. What kind of bond holds the nitrogen bases together in the ladder “rung”? Why is this a good bond for this location? 7. What are the 3 functions of DNA? 8. Why does every new cell in your body need a copy of your DNA? 9. How might DNA technology affect you? 10. How does DNA store the code for proteins? 11. How does DNA replication work? 12. Why is the replication almost foolproof? 13. How does DNA determine phenotype? 14. Where does transcription happen? 15. Where does translation happen? 16. Given half of a DNA strand, be able to fill in the other half and show the mRNA that would be made. A A T C G A T C A