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Author Question: Movement of phloem sap from a source to a sink A) occurs through the apoplast of (Read 735 times)

Hungry!

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on: Aug 13, 2013
Movement of phloem sap from a source to a sink
A) occurs through the apoplast of sieve-tube elements.
B) depends ultimately on the activity of proton pumps.
C) depends on tension, or negative pressure potential.
D) depends on pumping water into sieve tubes at the source.
E) results mainly from diffusion.


curlz

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Reply #1 on: Aug 30, 2013
Pick B, i got it right :P


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