In flowering plants, the ____ generation is dominant
a. haploid gametophyte
b. diploid gametophyte
c. haploid sporophyte
d. diploid sporophyte
e. triploid endosperm
d
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Where in the mammalian kidney should you expect to find cells with the highest concentration of
osmolytes such as sorbitol?
a. renal pelvis b. renal cortex c. Bowman's capsule d. collecting ducts e. renal medulla
The gaseous plant hormone is
a. auxin. b. gibberellin. c. cytokinin. d. abscisic acid. e. ethylene.
Enzymes are important biological catalysts because they:a
supply the energy to initiate a biochemical reaction. b. increase the free energy of a biochemical reaction. c. lower the entropy of a biochemical reaction. d. decrease the enthalpy of a biochemical reaction. e. lower the activation energy of a biochemical reaction
When a sound wave first arrives at the ear, the wave is directed toward the auditory canal by
A) receptors on the head. B) tympanic membranes. C) pinna. D) auditory tube. E) vestibular apparatus.