Which one of the following minerals found in amino acids stabilize the three-dimensional shapes of proteins such as those in skin, hair, and nails? a. sulfur b. magnesium c. iron d. fluoride

Sulfur is the minerals found in amino acids helps stabilize the three-dimensional shapes of proteins such as those in skin, hair, and nails. Sulfur is the third most abundant mineral in your body, based on percentage of total body weight. Hair and nails consist of a tough protein called keratin, which is high in sulfur. Connective tissue and cartilage contain proteins with flexible sulfur bonds. Correct A