9.

Concerning heme metabolism

• a. Congenital erythropoietic porphyria (Gunther's disease)
• b. Erythropoietic protoporphyria (EPP)
• c. Porphyria cutanea tarda (PCT)
• d. Variegate porphyria (VP)
• e. Acute Intermittent porphyria (AIP)

The porphyria which results from the loss of the Uroporphyringen III cosynthase and therefore produces excess Uroporphyrinogen I is _______________.