Questions and Answers
Phloem sap moves through the plant by osmosis.
False
Sucrose is transported in plants in the form of glucose.
False
The pressure difference in xylem tissue is due to a water potential gradient.
True
Energy is required to create pressure differences in phloem tissue.
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Sucrose is actively loaded into sieve elements at the sink.
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Water potential gradient in phloem tissue is generated by active loading of glucose.
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