Roots function in all of the following except
a. storage of food.
b. production of food.
c. anchorage and support of the plant.
d. absorption of water.
e. absorption of minerals.
B; Roots do not participate in photosynthesis, therefore they do not produce food.
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The major structural components of a cell membrane are ____
a. phospholipids and cellulose b. phospholipids, protein, and sterols c. protein and sterols d. glycolipids and proteins e. phospholipids and glycolipids
Blood plasma contains all of the following BUT
a. proteins. b. several types of blood cells. c. platelets. d. fluid. e. lipids.
Why does extended hypoglycemia (low blood sugar) lead to confusion and difficulty thinking?
A. Glucose provides energy for brain cells. B. Unregulated pH of body fluids causes these symptoms. C. Glucose is major source of energy for non-nervous system cells. D. Glucose is required for chemical reactions in the body.
Communities are composed of all of the:a
communities of all the different populations that live together within an area. b. ecosystems within the biosphere. c. populations of all the different species that live together within an area. d. various dispersal patterns of the different species within a given area. e. population's females' combined reproductive capabilities within the same given unit of time.