Winter & Science Crossword Puzzle

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Across
  1. 4. A nitrogen base that pairs with cytosine in DNA
  2. 7. The time when the new year begins
  3. 9. A nitrogen base that pairs with adenine in RNA
  4. 10. The enzyme that helps build a new DNA strand during replication
  5. 12. The enzyme that creates a primer to start DNA replication
  6. 13. The structure of DNA, resembling a twisted ladder
  7. 14. A celebration with friends and family
  8. 17. The enzyme that joins DNA fragments together during replication
  9. 19. The molecule that carries genetic information
  10. 21. Frozen water that falls from the sky in flakes
  11. 23. The enzyme that unwinds the DNA double helix during replication
  12. 26. The time when the new year begins
  13. 27. Frozen water, often found on ponds in winter
  14. 28. A segment of DNA that determines a trait
Down
  1. 1. A type of glove that covers the whole hand with one section for the thumb
  2. 2. A nitrogen base that pairs with guanine in DNA
  3. 3. The process of copying DNA before cell division
  4. 5. Bright lights in the sky to celebrate
  5. 6. A structure made of DNA that is tightly coiled up
  6. 8. The building block of DNA and RNA
  7. 10. A celebration with friends and family
  8. 11. A molecule that is single stranded an holds genetic info
  9. 15. A goal or promise made for the new year
  10. 16. A nitrogen base that pairs with adenine in DNA
  11. 18. A small vehicle used for sliding on snow
  12. 20. A nitrogen base that pairs with thymine in DNA
  13. 22. A piece of cloth worn around the neck for warmth
  14. 24. A place where you can make a fire to keep warm inside
  15. 25. A house made of ice blocks, often built by Inuit people