
Enzyme Conversion Diagram
After studying Module 1: Lecture Materials & Resources, submit the following:
- 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 graphs and figuresLinks to an external site.
- Complete and submit the assignment by 11:59 PM ET on Sunday.
- Late work policies, expectations regarding proper citations, acceptable means of responding to peer feedback, and other expectations are at the discretion of the instructor.
- You can expect feedback from the instructor within 48 to 72 hours from the Sunday due date.

Grading Rubric
Your assignment will be graded according to the grading rubric.
| Neurotransmitter Diagram Rubric | ||
|---|---|---|
| Criteria | Ratings | Pts |
| Illustration |
20 to >14 pts Distinguished The illustration is 100% accurate. Created 3 handwritten drawings illustrating each chemical step required to create dopamine, norepinephrine, and serotonin. 14 to >8 pts Excellent The illustration is >75% accurate. Created 3 handwritten drawings illustrating each chemical step required to create dopamine, norepinephrine, and serotonin. Some of the steps were omitted or not illustrated accurately. 8 to >3 pts Fair The illustration is >50% accurate. Created at least 2 handwritten drawings illustrating each chemical step required to create dopamine, norepinephrine, and serotonin. Some of the steps were omitted or not illustrated accurately. 3 to >0 pts Poor The illustration is<25% accurate. Created at least handwritten drawings illustrating each chemical step required to create dopamine, norepinephrine, and serotonin. Some of the steps were omitted or not illustrated accurately. 0 pts No Marks No submission or missing criterion OR the illusion is 100% inaccurate. |
/ 20 pts |
|
Visual Appeal |
10 to >6 pts Distinguished The illustration and descriptions are neat, labeled 100% accurately, appropriately sized, captioned, placed, and add to the reader’s understanding of the topic. 6 to >3 pts Fair Diagrams and illustrations are neat, labeled>75% accurately, appropriately sized, captioned, and placed; for the most part, they add to the reader’s understanding of the topic. 3 to >0 pts Developing Diagrams and illustrations are disorganized and labeled >50% inaccurately. The descriptions are inappropriately sized, and captions are not omitted in some areas of the illustration. The illustration appears unprofessional and sloppy. 0 pts No Marks No submission or missing criterion OR the illustration was illegible. |
/ 10 pts |
| Total Points: 0 | ||
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