The plant hormone abscisic acid (ABA) is involved in the regulation of photorespiration. Based on this information, ABA likely plays a role in
A. cyclic photophosphorylation.
B. the opening and closing of stomata.
C. noncyclic photophosphorylation.
D. the photoelectric effect.
Answer: B
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Which of the following occurs during suction feeding in fishes?
A. Prey is trapped in the mouth and broken up by pharyngeal jaws in the pharynx. B. Prey is trapped in mucus on the gills and swept into the gut by cilia. C. Prey is captured in blades of baleen and then transferred to the gut. D. Prey is scraped off of rocks with grazing teeth. E. All of the answer options are correct.
Transgenic farm animals have not gained importance as sources of pharmaceuticals because
A) they are too difficult to maintain. B) they are more susceptible to cancer and other diseases. C) they produce diluted forms of pharmaceuticals. D) they carry multiple viral strains.
Any chemical interaction between atoms:a
involves neutrons. b. may potentially involve any electron. c. involves protons. d. involves only valence electrons. e. involves only the nuclear subatomic particles.
When the cerebral cortex interprets the sense of taste it will also be interpreting the sense of smell.
Answer the following statement true (T) or false (F)