The plasmodesmata in plants are functionally most similar to which animal cell junction?
(a) tight junction
(b) adherens junction
(c) gap junction
(d) desmosome
(c)
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Visible light has a wavelength range of
A. 400-740 nanometers. B. 200-800 nanometers. C. 200-400 nanometers. D. 200-740 nanometers. E. 0.001-100,000 nanometers.
Axillary buds
A. add length to a plant. B. develop into roots when water is scarce. C. form flowers or branches. D. increase the diameter of a stem. E. form lateral meristems.
When allele frequency changes, a population is
said to no longer be in
a. genetic equilibrium. b. isolation. c. upheaval. d. fluctuation. e. transition
Mycorrhizae are ____.
A. the small roots in the root systems of trees B. endosymbiotic bacteria associated with plant roots C. fungus and root mutualistic associations D. parasitic fungal infections of tree roots E. endosymbiotic fungal cells associated with leaves