When the following segment of a polymer formed, how many different amino acids were used? 
Definitions:
Color Vision
The ability of the eye and brain to perceive differences in wavelengths of light as distinct colors.
Visual Field
The entire area that can be seen when the eyes are focused on a central point, including peripheral vision.
L-DOPA
A precursor to dopamine used as a medication in the treatment of Parkinson's disease and dopamine-responsive dystonias.
Parkinson's Disease
A neurodegenerative disorder that affects movement, often characterized by tremors, stiffness, and slowness of movement.
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