Hominids are characterized as
a. insectivores.
b. herbivores.
c. carnivores.
d. omnivores.
e. none of these.
Answer: d
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Which phase(s) of the Calvin cycle require ATP?
a. phase I only b. phase II only c. phase III only d. phases I and II only e. phases II and III only
Minerals move through the tissues of the plant root from the epidermis to the xylem in the center primarily by
a. passive transport with no expenditure of ATP. b. active transport with expenditure of ATP. c. active transport with no expenditure of ATP. d. facilitated diffusion with expenditure of ATP. e. facilitated diffusion without expenditure of ATP.
The major nitrogenous waste product in urine is uric acid.
a. true b. false
The movement of sugars in a plant can be explained by
a) capillary action. b) transpiration pull. c) the pressure-flow hypothesis. d) root pressure.