Which of the following are important components of the long-distance transport process in plants?
I) the cohesion of water molecules
II) a negative water potential
III) the root parenchyma
IV) the active transport of solutes
V) bulk flow from source to sink
A) II, III, IV, and V
B) I, III, IV, and V
C) I, II, IV, and V
D) I, II, III, and V
C
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Look at Figure 45.17 in the textbook. What is the probability that the niece or nephew of the individual in the gray shaded box will have the A allele?
A. 0.25 B. 0.5 C. 0.75 D. 1.0 E. None of the answers options is correct.
The polar transport of auxin in a seedling
a. occurs in parenchyma cells. b. uses passive membrane transporters to move auxin in and out of cells. c. uses membrane pumps to move hydrogen ions out of the cytoplasm into the primary cell wall. d. activates enzymes that loosen cross-links between cellulose microfibrils. e. does all of these.
The ____ biome is characterized by plants that are particularly well adapted to periodic fires
a. taiga b. temperate rain forest c. tundra d. chaparral e. tropical rain forest
Chaparral is
A. restricted to serpentine soils. B. widespread in Africa. C. a type of shrubland/grassland. D. a type of forest. E. distinguished by tall trees.