Ethylene:
A) promotes gravitropism.
B) inhibits stem elongation.
C) prevents leaf senescence.
D) stimulates seed germination.
E) causes phototropism.
Correct Answer:
Verified
Q18: Seed germination is stimulated by:
A)auxin.
B)gibberellin.
C)cytokinin.
D)ethylene.
E)abscisic acid.
Q19: Discovered in 2007, the hormones that control
Q20: The hormone _ was named after the
Q21: Placing a ripe apple in a bag
Q22: The relative sizes of roots and shoots
Q24: Suppose you have some seeds that refuse
Q25: Most scientists believe that the lateral buds
Q26: Which of these hormones causes cell elongation,
Q27: Most scientists believe that the lateral buds
Q28: If you were running a tree nursery
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