Which mineral is essential for the proper functioning of the enzyme delta-aminolevulinic acid synthase, involved in heme synthesis?

A Zinc
B Iron ✓
C Copper
D Manganese

Explanation

Iron is a crucial component of the enzyme delta-aminolevulinic acid synthase, which plays a key role in heme synthesis.

Source

Harper's Biochemistry
Minerals and Trace Elements Biochemistry Heme Synthesis Medium MEDICAL Confidence: high