Starting with the precursor substance tyrosine or tryptophan, draw three diagram

Starting with the precursor substance tyrosine or tryptophan, draw three diagrams showing how the various enzymes convert this substance to serotonin, dopamine and norepinephrine.
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 guidelinescite and reference no more than 5 years ago