Science Homework Help

Part A – The Vocabulary of Trace Minerals

Trace minerals are needed in much

smaller amounts than major minerals, but they are just as essential for good health. They are stable in cooking, and the amounts found in plant foods are somewhat dependent on mineral content of the soil where those foods are grown. Some are removed during processing, so whole grains are higher in trace minerals than refined grains are. This section will review these substances.

Match the words in the left column to the appropriate blanks in the sentences on the right.

zinc

manganese

copper

iodine

heme iron

nonheme iron

fluoride

selenium

1. ——————— is found in animal foods like meat and poultry, whereas the——————– form is found in plant foods like grains and vegetables.

2. The metal and trace mineral —————————— is part of several enzymes and proteins.

3. Adequate ——————————————- is important for maintaining a healthy immune system and may aid in wound healing.

4. ——————————- acts as an antioxidant and aids in thyroid function.

5. ———————————– is not considered essential, but it is very important for maintaining strong, healthy teeth.

6. The deficiency disease goiter was much more common before ————————-was added to salt in the United States.

7. ——————————–acts as a cofactor for a variety of enzymes and also plays a role in synthesis of bone.