Biology

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Across
  1. 3. Direction of DNA strands
  2. 6. Helps with carbon fixation
  3. 8. An organism's strategy for survival
  4. 10. Symbiotic relationship like gut bacteria in humans
  5. 12. Shortening these will cause wrinkles and gray hair
  6. 16. Strongest chemical bond
  7. 18. Symbiotic relationship like a bird nesting in a tree
  8. 19. Lipid with no double bonds in its fatty acids
  9. 20. Added to one of the ends of mRNA
  10. 22. Operon whose default is "off"
  11. 23. Sub-population that depends on gene flow to survive
  12. 24. Have as many babies as possible all at once
  13. 26. Protein structure that is a chain of amino acids
  14. 28. Enzyme that fixes 33-Across
  15. 29. Study of life
  16. 31. Similar traits due to common ancestor
  17. 32. Domain of life that has nuclei
  18. 33. Helicase causes this
Down
  1. 1. Cells after the first meiotic division
  2. 2. What an insertion of 1 codon would cause
  3. 4. First step of fermentation
  4. 5. Like cacti, exchange gases only at night
  5. 7. You will regret removing this kind of species from a community
  6. 9. Ability to produce the most offspring
  7. 11. Abnormal number of chromosomes
  8. 13. How the genes for the color of labrador retrievers are expressed
  9. 14. DNA is wrapped around these
  10. 15. Includes all living and non-living things in an area
  11. 17. Gives orange-ish pigment in plants
  12. 21. Similar traits not because of common ancestor
  13. 25. Measure of chaos
  14. 27. Virus with RNA
  15. 30. Change in allele frequency in a population over time