Question

One of selenium's most important roles is

O in normal cell division
serving as a component of the body's antioxidant defenses
O in fatty acid synthesis
O as part of glucose tolerance factor, which enhances insulin sensitivity

Answer 1

Selenium serves as a component of the body's antioxidant defenses and is involved in vital processes such as thyroid hormone metabolism and immune function. Selenium deficiency can have detrimental effects on health.

Step-by-step explanation:

One of selenium's most important roles is serving as a component of the body's antioxidant defenses. Antioxidants play a crucial role in protecting cells from damage caused by free radicals, which are highly reactive molecules. Selenium functions as a cofactor for the enzyme glutathione peroxidase, which helps neutralize free radicals and prevent oxidative stress.

Moreover, selenium is also involved in the formation of various selenoproteins, which are important for thyroid hormone metabolism, immune function, and DNA synthesis. Selenium deficiency can lead to impaired immune function, thyroid problems, and increased risk of certain diseases.

Learn more about Selenium's role in the body