The term "non-essential," as it applies to amino acids, means that:
a. the body does not require them.
b. they differ in their capacity to support growth.
c. the liver can produce those the body lacks.
d. they are not used to synthesize tissue.
c
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The thermic effect of food accounts for ________ of the average person’s energy expenditure each day.
a. 10% b. 25% c. 30% d. 40% e. 50% or more
Which of the following statements about phospholipids is FALSE?
A. Phosopholipids have both hydrophobic and hydrophilic portions. B. Lecithin is an example of a phospholipid found naturally in egg yolks. C. Phospholipids are naturally found in both plant and animal foods. D. Phospholipids have a similar chemical structure to cholesterol.
Which of the following is a characteristic of hormones?
a. Inactivate bacteria b. Act as messenger molecules c. Coordinate visual response d. Act as buffers in the bloodstream
A waist circumference of __________ inches or more for women indicates central obesity and increases the risk of disease.
a. 35 b. 40 c. 45 d. 50