本题目来源于试卷: Interaction & Interdependence C.6 Integration of Body Systems，类别为 IB生物学
[单选题]
Which statement idenxjqum1g/ u z(2g;iu-rc kp.)dtiuxj-bthxjhu8sfgaji vh 7 wb79 5)w :;h9: o*rfies the direct effect of auxin?
A. Development of leaves
B. Stimulates meiosis
C. Inhibits flowering
D. Changes gene expression
参考答案: D
本题详细解析:
Explanation: Choice D is correct because auxin affects gene expression which leads to changes in growth. Choice A is incorrect because cell differentiation causes development of leaves and this is not a direct effect of auxin. Choice B is incorrect because one effect of auxin is that it stimulates mitosis, it does not stimulate meiosis. Choice C is incorrect because auxin stimulates flowering.
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