Which of the following minerals is a component of the body's oxygen-transporting system?

a. Zinc
b. Phosphorus
c. Iron
d. Magnesium


c

Nutritional Science

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When two amino acids are chemically joined together, the resulting structure is called a ____

a. dipeptide b. diglyceride c. polypeptide d. disaccharide e. polysaccharide

Nutritional Science

A desirable blood cholesterol level is:

a. less than 200 mg/dL. b. 200 to 250 mg/dL. c. 250 to 300 mg/dL. d. 300 to 325 mg/dL.

Nutritional Science

Hugh is a healthy man who is 42 years of age. Using this information, calculate his approximate target heart rate zone for vigorous-intensity physical activity.

A. 165 to 213 bpm B. 137 to 166 bpm C. 153 to 180 bpm D. 125 to 151 bpm

Nutritional Science

What fuel source is Jan using if she exercises at 65% of her maximum aerobic capacity?

A. mostly carbohydrate B. mostly fat C. carbohydrate and fat equally D. mostly creatine phosphate E. mostly protein

Nutritional Science