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  • Starting with the precursor substance tyrosine, draw three diagrams showing how the various enzymes convert this substance to serotonin, dopamine and norepinephrine.
  • Identify and briefly describe each chemical step required to create each neurotransmitter.  

Submission Instructions:

  • Your diagrams must be hand-drawn. Scan your diagrams and submit them as an attachment of an image file or PDF. 
  • Follow APA 7th Edition formatting guidelines for GRAPHS AND FIGURES (

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