Question
Complete the equation.
(a) Phenylalanine $\stackrel{ A }{\longrightarrow}$ Tyrosine
(b) DOPA $\stackrel{\text { B }}{\longrightarrow}$ Melanin
(a) Phenylalanine $\stackrel{ A }{\longrightarrow}$ Tyrosine
(b) DOPA $\stackrel{\text { B }}{\longrightarrow}$ Melanin