Which trace element is essential for the proper functioning of the enzyme glutathione peroxidase, which helps to protect cells from oxidative damage?

A Selenium ✓
B Chromium
C Molybdenum
D Vanadium

Explanation

Selenium is a trace element that is essential for the proper functioning of the enzyme glutathione peroxidase, which helps to protect cells from oxidative damage by reducing hydrogen peroxide and other reactive oxygen species.

Mnemonic

Se = Safeguard Enzyme

Source

Journal of Nutrition
Minerals and Trace Elements Biochemistry Antioxidant Defense Hard MEDICAL Confidence: high