問題詳情

1. All plant hormones:
(A)are inorganic substances.
(B) act in the tissues where they are produced.
(C) are stimulatory.
(D)are active in large quantities.
(E) communicate information.

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增