Multiple Choice
Stomata are opened when ____ guard cells and they become ____.
A) active transport pumps H+into; turgid
B) active transport of H+stops in; flaccid
C) active transport pumps H+out of; turgid
D) active transport pumps H+into; flaccid
E) active transport of H+stops in; turgid
Correct Answer:

Verified
Correct Answer:
Verified
Q50: The general term for long-distance transport of
Q51: When solutes are unloaded from phloem, water
Q52: The _ prevent(s) important substances in the
Q53: The longest limb on the Angel Oak
Q54: The typical movement of xylem sap from
Q56: Describe how NO<sub>3</sub><sup>-</sup>is transported into a plant
Q57: Root epidermal cells passively transport ions inward
Q58: Water can move inside a root via
Q59: A cell expends energy when moving substances
Q60: The membrane potential refers to the _