PART 1: Starting with the precursor substance tyrosine or tryptophan, draw three

PART 1:
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 guidelines for https://apastyle.apa.org/style-grammar-guidelines/…
PART 2:
Starting with the precursor substance tyrosine or tryptophan, identify and briefly describe each chemical step required to create each neurotransmitter.
Submission Instructions:
The typewritten description is original work and logically organized, formatted, and cited in the current APA style, including citation of references.
Please note part 1 and part 2 are two different assignments and should be in 2 different documents.