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Transport of materials into a cell against a concentration gradient, from low to high, requires A) water. B) energy. Eliminate C) osmosis. D) a passageway.
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Transport of materials into a cell against a concentration gradient, from low to high, requires A) water. B) energy. Eliminate C) osmosis. D) a passageway.

User Khawer Khaliq
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most likely water because that would be the only for it to transport into concentration gradient
User Bimasakti
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The answer would be B) energy, I just learned this a few months ago

User Dhable
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