state the function of the following 1.vitamin B12 2. iron
Answers
Answer:
Vitamin B12 is a nutrient that helps keep the body's nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 also helps prevent a type of anemia called megaloblastic anemia that makes people tired and weak. Two steps are required for the body to absorb vitamin B12 from food.
Iron performs many important functions in the body. It is primarily involved in the transfer of oxygen from the lungs to tissues. However, iron also plays a role in metabolism as a component of some proteins and enzymes. Iron is toxic to the body in its free state.
Answer:
Explanation:
Vitamin B12 functions as a cofactor for methionine synthase and ... when the capacity of intrinsic factor is exceeded (at 1–2 mcg of vitamin B12) [8]. ... to list vitamin B12 content unless vitamin B12 has been added to the food. ...