Which of thfollowing is NOT accuratin describing a hormone?
A) Hormones produced by a particular species affect only that species.
B) Only those cells that have specific receptors can respond to any one hormone.
C) Hormones in general are produced by one cell and cause their effects in another cell.
D) Hormones are a type of signaling molecule.
E) Hormones are chemicals.
Correct Answer:
Verified
Q68: Gibberellins havtheir most dramatic effects
A)on leaves.
B)in ell
Q69: Thplant hormonthat inhibits abscission is
A)auxin.
B)gibberellin.
C)cytokinin.
D)abscisic acid.
E)ethylene.
Q70: Thplant hormonthat promotes fruit ripening is
A)auxin.
B)gibberellin.
C)cytokinin.
D)abscisic acid.
E)ethylene.
Q71: Thplant hormonthat promotes dormant buds in plants
Q72: Which of thfollowing tropisms is thresponsto touch
Q74: _ arstuffewith starch grains anoccur in throot
Q75: Thtarget cells for hormones
A)have special receptor (binding)
Q76: Studies on thgrowth of coleoptiles involve
A)florigen.
B)ethylene.
C)auxin.
D)abscisic acid.
E)gibberellin.
Q77: In contrast to most other plant hormones,
Q78: Thplant hormonthat inhibits apical dominancis
A)auxin.
B)gibberellin.
C)cytokinin.
D)abscisic acid.
E)ethylene.
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