Which of the following agricultural practices helps to maintain food diversity?
A) increased use of genetically modified crops
B) increased use of chemical fertilizers
C) planting high-yield varieties of grain
D) planting traditional local species of edible plants
D
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The application of heat or acid to a protein that causes its shape to change is known as ____
a. stiffening b. condensation c. denaturation d. destabilization e. hydrolization
In the U.S., dietary intakes of the major minerals ________ and ________ often fall short of recommendations.
A. sodium; phosphorus B. sodium; potassium C. potassium; calcium D. calcium; phosphorus
A source of lead most likely includes _____
a. paint in newer homes only b. pipes only c. electronics only d. paint in newer homes and pipes e. cooking pans and sprays
The pink/orange hue seen in some salmon, trout, and crustaceans comes from
a. astaxanthins. b. exposure to oxygen. c. omega-3 fatty acids. d. anthocyanins and anthoxanthins.