Which trace element is essential for the activity of the enzyme glutathione peroxidase?

A Selenium ✓
B Zinc
C Copper
D Molybdenum

Explanation

Selenium is a crucial component of the enzyme glutathione peroxidase, which helps protect cells from oxidative damage.

Source

Harvard School of Public Health
Minerals, and Trace Elements Minerals and Trace Elements Selenium Medium MEDICAL Confidence: high