34. Which of the following statements about plant hormones differing from
hormones in animals is correct?
(A) Plant hormones are synthesized from two or more different molecules.
(B) Animal hormones are primarily for mating and embryonic development.
(C) Plant hormones interact primarily with intracellular receptors.
(D) Animal hormones are found in much greater concentration.
(E) Plant hormones may travel in air or through vascular systems.
植物激素不是濃度比較低嗎？
想請問(D)哪裡錯了？
正確答案是(E)
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