Biology Crossword

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Across
  1. 3. a compound which is one of the four constituent bases of nucleic acids
  2. 5. the process by which cells synthesize proteins using information encoded in messenger RNA
  3. 9. the first phase of mitosis
  4. 10. the cytoplasmic division of a cell at the end of mitosis or meiosis
  5. 11. a type of carbohydrate, specifically monosaccharides
  6. 13. the stage where chromosomes, which are at their most condensed state, align at the center of the cell
  7. 15. one of the four nucleotide bases in DNA,
  8. 16. a molecule composed of a phosphorus atom bonded to four oxygen atoms
  9. 18. a change in the DNA sequence of an organism, which can result from errors during DNA replication, exposure to mutagens, or viral infections.
  10. 19. a compound that occurs in guano and fish scales,
  11. 22. the DNA molecule's structure, characterized by two intertwined strands resembling a twisted ladder
  12. 23. growth phases
  13. 24. an organism that has two different alleles
  14. 27. the process where a cell makes an RNA copy
Down
  1. 1. a trait or allele that masks the expression of another allele
  2. 2. the process by which cells build proteins using the genetic information encoded in their DNA
  3. 4. molecule that carries genetic instructions for all known living organisms and many viruses
  4. 6. the final stage of mitosis and meiosis
  5. 7. a compound which is one of the four constituent bases of nucleic acids. A purine derivative, it is paired with thymine in double-stranded DNA.
  6. 8. a stage of cell division (mitosis and meiosis) where sister chromatids
  7. 10. the specific pairing of nucleotide bases
  8. 12. a trait or allele that is masked by a dominant allele and only expressed when two copies of the recessive allele are present, one from each parent.
  9. 14. individual who has two identical alleles
  10. 17. a monohybrid cross involves a genetic cross focusing on a single trait
  11. 20. nitrogen-containing molecules that are crucial components of nucleic acids
  12. 21. a compound consisting of a nucleoside linked to a phosphate group
  13. 25. the stage in the cell cycle where a cell grows, replicates its DNA
  14. 26. a type of cell division where a parent cell divides into two genetically identical daughter cells,