Carrier-mediated transport that requires energy is an example of
A. an active transport mechanism.
B. a passive transport mechanism.
C. facilitated transport.
D. simple diffusion.
A
You might also like to view...
How can blood calcium levels be increased?
a. decreased absorption of calcium in the intestines b. increased release of calcium from the spleen c. release of calcium from the kidneys d. release of calcium from the bones e. manufacture of calcium from albumin
What does research in exercise-induced leanness suggest about extending the life span?
A) Maintaining overall energy balance helps prolong life span. B) Exercise-induced leanness increases the risks for osteoporosis and fractures, reducing life span. C) People genetically predisposed toward a lean body type live longer. D) Calorie restriction is the most important element in prolonging life span.
French fries made from stored potatoes would have changes in:
I. taste II. appearance III. texture a. I, II, III b. II, III c. I d. I, III
Households in which a child's meal size was reduced or one or more of the household members did not eat regularly are categorized as having ____ food security
a. high b. marginal c. low d. very low