The typical movement of xylem sap from roots to shoot parts is best described as
a. facilitated diffusion.
b. symport.
c. guttation.
d. osmosis.
e. bulk flow.
E
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When genotypes at one locus of a chromosome are independent of genotypes at another locus of the same chromosome, the two loci are ________
A) in linkage equilibrium B) in linkage disequilibrium C) nonrandomly associated D) None of the above.
The carrying capacity of an area for a plant is most likely determined by
A. accumulation of waste products. B. availability of raw material and energy. C. constant birthrate. D. low biotic potential.
Vegetarians who rely upon a single type of plant food
A) may become severely dehydrated. B) run the risk of depleting their liver of glycogen. C) are soon unable to produce sufficient quantities of bile. D) may become protein-deficient.
Assuming the plant survives, predict what would occur if you removed the shoot apical meristem of a plant embryo.
A. The plant would grow two or more new shoot apical meristems. B. Growth would only occur at in the roots. C. The plant would mature, but only through vertical growth--no branches would form. D. The root apical meristem would take over the function of the shoot apical meristem.