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Biology, 17.12.2021 05:20, jamalnellum56
Air flows out of the lungs because intra-alveolar pressure is greater than during expiration. Select one: a. barometric air pressure b. thoracic volume c. alveolar volume d. pleural pressure
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Aresearcher has developed two stains for use with seed plants. one stains sporophyte tissue blue; the other stains gametophyte tissue red. if the researcher exposes pollen grains to both stains, and then rinses away the excess stain, what should occur? a) the pollen grains will be pure red. b) the pollen grains will be pure blue. c) the pollen grains will have red interiors and blue exteriors. d) the pollen grains will have blue interiors and red exteriors.
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Air flows out of the lungs because intra-alveolar pressure is greater than during expiration. Selec...
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