When abscisic acid binds to receptors on guard cells, these cells release a gas called nitric oxide (NO) , which increases ____ levels within the cell.
A) nitrogen
B) calcium
C) chlorine
D) potassium
E) sodium
Correct Answer:
Verified
Q5: What is the term for an inducible
Q6: Which structure develops into a seed?
A)pollen
B)ovary
C)carpel
D)ovule
E)receptacle
Q7: The most critical factor affecting the initiation
Q8: The primary function of the endosperm is
Q9: Embryonic plants are nourished by nutrients in
Q11: Temperature extremes, lack of water, and other
Q12: Wind-pollinated flowers are typically _.
A)nectar-producers
B)involved in the
Q13: The male part of a flower includes
Q14: After a seed germinates, nutrients stored in
Q15: The female gametophyte is the _.
A)pollen tube
B)ovule
C)embryo
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