Which of the following trace elements is essential for the proper functioning of the enzyme delta-aminolevulinic acid dehydratase?

A Zinc ✓
B Copper
C Molybdenum
D Lead

Explanation

Zinc is a trace element that plays a crucial role in the proper functioning of the enzyme delta-aminolevulinic acid dehydratase, which is involved in heme synthesis.

Source

Scientific literature
Minerals, and Trace Elements Minerals and Trace Elements Zinc Medium MEDICAL Confidence: high