Multiple Choice
According to the cohesion-tension mechanism of water transport, ____ does not contribute to the flow of the xylem sap.
A) hydrogen bonding between water molecules
B) adhesion of water molecules to the xylem vessel walls
C) evaporation of water from the leaves
D) water potential in leaf cells below that of the leaf xylem
E) root pressure
Correct Answer:

Verified
Correct Answer:
Verified
Q41: Sucrose moves into a cell against its
Q42: The loss of water vapor from aboveground
Q43: An ant that consumes the "honeydew" from
Q44: The majority of the water in xylem
Q45: According to the cohesion-tension mechanism of water
Q47: Suppose a living plant cell has ψP
Q48: The root-to-shoot water flow in a plant
Q49: In most plants, stomata are _.<br>A) open
Q50: The general term for long-distance transport of
Q51: When solutes are unloaded from phloem, water