The hypothesis that high pressure forces phloem sap to flow was tested and supported by studies using ____.
A) caterpillars
B) radiolabeled hormones
C) vacuum chambers
D) aphids
E) radiolabeled sugars
Correct Answer:
Verified
Q67: In phloem movement, _ cannot serve as
Q68: Examine the following figure. Match each letter
Q69: "Honeydew" is essentially _.
A) xylem sap forced
Q70: When solutes are unloaded from phloem, water
Q71: The general term for long-distance transport of
Q73: At a source, the phloem typically has
Q74: The living portion of the pathway through
Q75: The most widely accepted and supported model
Q76: Phloem sap would not be expected to
Q77: The movement of phloem sap is best
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