Which trace element is essential for the proper functioning of the enzyme superoxide dismutase, which helps to neutralize superoxide radicals?

A Copper
B Zinc
C Manganese ✓
D Iron

Explanation

Manganese is a cofactor for the enzyme superoxide dismutase, which helps to neutralize superoxide radicals and protect cells from oxidative damage.

Mnemonic

Mn = Mighty, manganese mighty against radicals

Source

Biochemistry textbooks
Minerals and Trace Elements Biochemistry Antioxidant Enzymes Hard MEDICAL Confidence: high