The principal driving force for guttation is ____.
A) passive transport
B) sunlight
C) root pressure
D) upward pressure as sugar is forced into the roots
E) pumping by the xylem cells
Correct Answer:
Verified
Q49: Stomata generally close in response to _.
A)
Q50: Experiments have shown that xylem sap transport
Q51: The movement of xylem sap is best
Q52: Theoretically, based on the cohesion-tension mechanism, the
Q53: In most plants, stomata are _.
A) open
Q55: The major cost to plants for having
Q56: You would expect essentially no transpiration to
Q57: A plant stoma is found between two
Q58: Stomata open when K+concentration in guard cells
Q59: The most widely accepted and supported model
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