What are the major minerals, and what roles do the major minerals play in the human body?
Calcium, phosphorus, magnesium, sodium, chloride, and potassium are major minerals. Major minerals have both structural and functional roles. Examples of structural roles: calcium and phosphorus provide strength and structure to skeleton. Functional roles: sodium, chloride, and potassium are essential for maintaining fluid balance in and outside of the cell. Minerals also function in chemical reactions (calcium as a cofactor), energy metabolism (calcium, phosphorus, magnesium, potassium), nerve function and muscle contraction (calcium, phosphorus, magnesium, sodium, chloride, and potassium), and immune function (sodium and chloride).
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A. hemicelluloses B. cellulose C. lignins D. pectins
Which water-soluble vitamin can be produced by bacteria in the large intestine?
a. Vitamin B6 b. Niacin c. Biotin d. Vitamin B12
Acute toxicity with which element causes nausea, vomiting, diarrhea, dermatitis, and lethargy??
A) ?arsenic B) ?boron C) ?cadmium D) ?vanadium
Research suggests that dietary fiber is an important substrate for the gut microbiota; therefore, dietary fiber alterations may have an immediate and direct impact on gut microbes.
Answer the following statement true (T) or false (F)