Consistency in herbal supplements is not guaranteed because _____
a. no manufacturers have attempted to standardize them
b. they are natural substances, so there can be no consistency
c. different growing conditions can affect the plants' chemical composition
d. the active ingredient in an herb must be isolated to be effective
e. the active ingredient is usually not identified
c
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Ketones are formed from _____ when there is a relative absence of _____
a. fatty acids, glucose b. glucose, glycogen c. glucose, fatty acids d. fatty acids, glycogen
Which of the following is caused by potassium deficiency?
A) Rickets B) Constipation C) Kyphosis D) Goiter
Colon cancer risk reduction in humans via intake of cruciferous vegetables is linked to glutathione S-transferase genotype
a. True b. False Indicate whether the statement is true or false
Libby wants to have a birthday party for her 5-year-old daughter and several of the child's friends. She plans to serve cake, ice cream, and milk to the children in the backyard on a warm sunny afternoon. To conserve vitamins in the milk, Libby should ________.
A. serve the milk in a clear glass container B. heat the milk to the boiling point, and let it cool before serving it C. store the milk in the refrigerator until serving time D. add a teaspoon of baking soda and chocolate syrup to it