Biology Crossword Puzzle

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Across
  1. 6. Which of the two nucleic acids contains sugar deoxyribose?
  2. 13. What accepts and holds two high-energy electrons and a hydrogen atom?
  3. 14. Releases food energy by using ATP in the absence of oxygen
  4. 15. An organized way of using evidence to learn about the natural world
  5. 18. Which molecule transfers amino acids to ribosomes as was specified by mRNA?
  6. 19. What is the name for adenine, thymine and guanine, cytosine parings?
  7. 20. What two light dependent reactions reused in the Calvin Cycle (a & is used in the answer)
  8. 21. What enzyme is needed for transcription?
  9. 25. What indicates the H+ levels in a solution?
  10. 26. What is the fundamental concept of biology?
  11. 27. Hypothesis that is so well accepted by other scientists
  12. 29. Reproduction sexually
  13. 30. What is the only spot that an enzyme will bind to?
Down
  1. 1. What is this equation for? 6CO + 6H O ---- C + H + O + 6O
  2. 2. What is the real name for ATP?
  3. 3. One strain of bacteria that can infect another benign strand
  4. 4. Which of the two nucleic acids contains sugar ribose?
  5. 5. What shows the relative location of each known gene?
  6. 7. Means 'bacteria eater'
  7. 8. The long molecules DNA is made of
  8. 9. What term makes this equation? pyruvic acid + NADN ---- lactic acid NAD+
  9. 10. What is needed to start a reaction?
  10. 11. What is the principal enzyme involved in DNA replication?
  11. 12. Term that means 'not in air'
  12. 16. Cells with one set of genes
  13. 17. Homologus pairs form tetrads and exchange portions of chromatids
  14. 22. When Cytoplasm extends itself and 'eats' a particle
  15. 23. What process takes materials into the infolds, or pockets of the cell membrane?
  16. 24. In what cycle does the presence of oxygen, pyruvic acid in the glucose pass on to the second stage of reprodiction?
  17. 28. The first stage of division in the cells nucleus