How are sugars transported in phloem? the formation of starch from sugar in the sink increases the osmotic concentratio high turgor pressure in source sieve-tube elements pushes phloem sap to sink sieve-tube elements with low turgor pressure water is actively transported into the source region of the phloem to create the turgor pressure needed

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN:9781305967359
Author:STARR
Publisher:STARR
Chapter26: Plant Nutrition And Transport
Section: Chapter Questions
Problem 13SA
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How are sugars transported in phloem?
the formation of starch from sugar in the sink increases the osmotic concentration
high turgor pressure in source sieve-tube elements pushes phloem sap to sink
sieve-tube elements with low turgor pressure
water is actively transported into the source region of the phloem to create the
turgor pressure needed
the combination of a high turgor pressure in the source and transpiration water
loss from the sink moves solutes through phloem conduits
Transcribed Image Text:How are sugars transported in phloem? the formation of starch from sugar in the sink increases the osmotic concentration high turgor pressure in source sieve-tube elements pushes phloem sap to sink sieve-tube elements with low turgor pressure water is actively transported into the source region of the phloem to create the turgor pressure needed the combination of a high turgor pressure in the source and transpiration water loss from the sink moves solutes through phloem conduits
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