What physical state must all substances be in before a taste can be detected?
In order for a substance to be tasted, it must dissolve in liquid or saliva, which is 99.5 percent water. When food comes into the mouth, bits of it are dissolved in the saliva pools of the taste buds. Here, the food contacts the cilia of the gustatory cells which send messages to the brain. The brain translates these messages into tastes. The more moisture a food contains, the more molecules can be spread to trigger flavor.
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Which of the following defines protein turnover?
a. The sum of protein in food and the body b. The sum of protein synthesis and degradation c. The amount of protein absorbed from the diet d. The amount of protein used to synthesize glucose
Acute malnutrition in children is characterized by
a. hyperactivity. b. shrunken liver. c. low weight for height. d. short height for weight. e. stunting
Why is the level of mercury in fish an important health and nutrition issue?
The Food and Drug Administration (FDA) requires food manufacturers to label all foods that contain at least 10 parts per million (ppm) sulfites because:
A) it causes breathing difficulties in some people when consumed. B) it diminishes the quality of food products. C) it decreases shelf life of the food products. D) it causes miscarriage in pregnant women when consumed.