Genetics (Sarah)

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Across
  1. 4. they are composed of carbon, oxygen, hydrogen, nitrogen, and phosphorus atoms.
  2. 5. transfer of information from DNA's base sequence on the complementary base sequence.
  3. 9. cubelike structure, building block of all living things.
  4. 10. as a cell division begins, the chromatin threads coil and shorten.
  5. 13. amino acids to protein synthesis sites, amino acids must be able to recognize when the mRNA is "calling for them.
  6. 14. loose network of bumpy threads scattered throughout the nucleus.
  7. 17. round bodies within the nucleus that are small and dark staining.
  8. 18. branch of biology concerned with study genes.
  9. 21. biological catalysts that regulate chemical reactions in the cells.
  10. 23. where genes are contained, control center.
  11. 25. genetic material found within the cell nucleus.
  12. 26. located outside of the nucleus and can be. considered the "molecular slave".
  13. 27. three main regions or parts nucleus, cytoplasm, and plasma membrane.
  14. 28. cytoplasmic organelles at which proteins are synthesized.
  15. 29. chromosomes at the opposite ends of the cell uncoil to become threadlike chromatin again, prophase in reverse.
  16. 31. division of the nucleus.
Down
  1. 1. division of cytoplasm.
  2. 2. help form ribosomes, where proteins are built.
  3. 3. _____ accumulates, and ATP supplies are replenished by oxidation of food fuels.
  4. 6. nucleus is bound by double membrane barrier.
  5. 7. centromeres that held the chromatid together split.
  6. 8. the language of nucleic acid is translated into the language of proteins.
  7. 11. three-base sequence on mRNA.
  8. 12. the assembly is done by the centrioles separating from each other and moving toward the opposite sides of the cell.
  9. 15. small cloverleaf-shaped molecules.
  10. 16. enzyme where the substrate binds.
  11. 19. short stage, chromosome cluster and become aligned at the center of the spindle midway.
  12. 20. DNA segments that carry out the information for building on protein or polypeptide.
  13. 22. long single nucleotide strands that resemble half of a DNA molecule and carry a message containing instructions for protein synthesis.
  14. 24. chromatin that threads and coils and condenses into dense and rodlike.
  15. 30. provides a form of chemical energy that is usable by all body cells.