The step in porphyrin biosynthesis which is excessively stimulated in the acute porphyrias is the step catalyzed by
A) delta-amino levulinic acid synthase
B) uroporphyrinogen III cosynthase
C) porphobilinogen deaminase
D) coproporphyrinogen III oxidase
E) ferrochelatase
Correct Answer:
Verified
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A) by
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A)
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B)
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