Biology I Final

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Across
  1. 1. Darwin observed these species.
  2. 4. Proteins built on ribosomes, which are made of two subunit.
  3. 5. One base is changed to a different base.
  4. 8. The central dogma of molecular studies states that information is transferred from____ to____ to______.(three words)
  5. 11. All living organism are related to one another.(two words)
  6. 14. Nucleic acid that consist of a long chain of nucleotide.
  7. 16. Untwist the double helix and exposes complementary strands.
  8. 17. A single immaginary plane divided the body into left and right.(two words)
  9. 20. "A" and "T" "G" and "C" are?(two words)
  10. 21. Organism that are best adapted to an environment survive and reproduce more than other.(two words)
  11. 24. gene mutations that involve changes in one or a few.(two words)
  12. 26. Negative feedback, a system in which the product and the result limit the process itself.(two words)
Down
  1. 2. Father of Evolution.(two words)
  2. 3. RNA contains________instead of thymine.
  3. 6. The sugar in RNA
  4. 7. Decoding mRNA into protein.
  5. 9. Binds DNA during transcription and seperate one DNA strand, then uses one strand as a template to create a complementary strand of RNA.(two words)
  6. 10. Animals with backhood.
  7. 12. The concentration of sense organ and nerve cells at the anterior end.
  8. 13. Chemical or agents in the environment that caused mutation.
  9. 15. Insertion and deletion are also known as_____.(two words)
  10. 18. Parts of chromosomes breaks off and attaches to another.
  11. 19. A hollow, muscular organ that pumps organ around the body.
  12. 22. One specific amino acid=_________.(two words)
  13. 23. Slices together the short segments of the discontinuous strand.
  14. 25. Innermost germ layer.