Chapter 3 Crossword Puzzle

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Across
  1. 6. - drug that blocks or impedes the normal activity of a given
  2. 7. – chemical messenger of the nervous system.
  3. 9. – pain and pleasure.
  4. 10. – muscle action and memory.
  5. 13. – Heart, intestines, and alertness.
  6. 14. – chemical messenger of the nervous system
Down
  1. 1. - sequence of DNA that controls or partially controls physical characteristics
  2. 2. acid (DNA) - helix-shaped molecule made of nucleotide base
  3. 3. - study of gene-environment interactions such as how the same,genotype leads to different phenotypes.
  4. 4. - (focusing on how inherited genes can affect not just the physiological,but psychological traits of a person)
  5. 5. - long strand of genetic information known as DNA
  6. 8. – mood and sleep.
  7. 11. – mood, sleep, and learning.
  8. 12. - drug that mimics or strengthens the effects of a neurotransmitter.