Review the movement of sugars through a plant (35.4). Then place the following s

ID: 200250 • Letter: R

Question

Review the movement of sugars through a plant (35.4). Then place the following steps in order as they move from source to sink.

Sugar (sucrose) is actively pumped from the source to the companion cells and into the sieve elements (phloem)

An area of high pressure is created in the sieve elements by the addition of water and sugar

Water passively moves into the xylem due to a change in water potential

Phloem sap moves from area of high pressure to low pressure

Sugar is actively or passively transported into the sink lowering the pressure and raising the water potential

Water passively moves from xylem into the sieve elements (phloem) due to a change in water potential

____

Sugar (sucrose) is actively pumped from the source to the companion cells and into the sieve elements (phloem)

____

An area of high pressure is created in the sieve elements by the addition of water and sugar

____

Water passively moves into the xylem due to a change in water potential

____

Phloem sap moves from area of high pressure to low pressure

____

Sugar is actively or passively transported into the sink lowering the pressure and raising the water potential

____

Water passively moves from xylem into the sieve elements (phloem) due to a change in water potential

1. An area of high pressure is created in sieve elements by addition of water and sugar.

2. Sugar is actively or passively transported into sink lowering pressure and raising water potential

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