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All but one describes an effect of aging on the digestive system. a) decreased acid secretion b) decreased elasticity of stomach c) capacity to resist damage decreases d) food remains in stomach for less time
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The small molecule cyclic amp (camp) takes about 0.2 second to diffuse 10 μm, on average, in a cell. suppose that camp is produced near the plasma membrane on one end of the cell; how long will it take for this camp to diffuse through the cytosol and reach the opposite end of a very large cell, on average? assume that the cell is 200 μm in diameter.
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Biology, 22.06.2019 17:30
Which statement best addresses the differences in sex cell differentiation between the red-eared slider turtle and a human?
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Photosynthesis topically occurs in plant cells. cellular respiration occurs...
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