Before a stoma opens, ____.
A) the level of carbon dioxide inside the leaf increases
B) potassium ions are actively transported out of guard cells
C) potassium ions are actively transported into guard cells
D) the turgor pressure inside the guard cells decreases
E) water moves by osmosis out of the guard cells
Correct Answer:
Verified
Q9: Compound leaves have:
A) parallel veins instead of
Q18: The middle portion of a leaf that
Q19: Figure 34-2 Q20: The cuticle consists of: Q23: Epidermal cells secrete a _ to reduce Q26: The rate of transpiration decreases under which Q27: _ light triggers stomatal opening. Q33: Which of the following is true of Q36: Monocot leaves typically have: Q39: Eudicot leaves typically have:
A) cellulose.
B) lignin.
C) hemicellulose.
D)
A) Red
B) Blue
C)
A) alternately palmate venation.
B)
A) alternately palmate venation.
B)
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