Cells That Secrete Dopamine Must Contain Which Enzymes

Question

Cells that secrete dopamine must contain which enzymes?
A) dopamine fi -hydroxylase and dopa decarboxylase only
B) tyrosine fi -hydroxylase
C) dopamine fi -hydroxylase only
D) dopa decarboxylase only
E) tyrosine fi -hydroxylase and dopa decarboxylase

Accepted Answer

Tyrosine hydroxylase converts tyrosine into L-DOPA, and dopa decarboxylase converts L-DOPA into dopamine, making both enzymes essential for dopamine synthesis.