Exam 3 minerals

Question 1

Give four characteristics that minerals share with vitamins

Answer 1

Essential, watersoluble, no kcal, have to come from the diet

Question 2

give four characteristics that make minerals a unique class of nutrients

Answer 2

minerals are inorganic, have an electric charge, cofactors and lower bioavailability

Question 3

Bioavailability

Answer 3

The proportion of a nutrient that is absorbed. The amount of anything that can be absorbed and used in the body. Minerals inhibit or enhance bioavailability and can control how fast something is absorbed

Question 4

Trace minerals

Answer 4

Found in smaller quantities, need less (iron, iodine and zinc)

Question 5

Major minerals

Answer 5

more in the body (calcium, potassium and phosphorous) Both are necessary but need more major.