lizaa0ngJul5ia lizaa0ngJul5ia

16-03-2017
Physics

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According to the pressure-flow hypothesis, why must sieve-tube elements in phloem be living cells?

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MissPhiladelphia MissPhiladelphia

24-03-2017

Base from the pressure-flow hypothesis, the sieve tube in the phloem should be living cells because sugars are transported across the membranes by the active transport which needs ATP that is produced during respiration. Hope this helps.

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