Multiple Choice
Figure 15.4.
-Refer to Figure 15.4.Homocystinuria is a genetic disorder that results from a defect in one of the enzymes of the metabolic pathway shown.The gene for which enzyme/molecule is most likely defective?
A) methylenetetrahydrofolate reductase
B) methionine synthase
C) tetrahydrofolate reductase
D) cystathione beta synthase
Correct Answer:

Verified
Correct Answer:
Verified
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