What do the results of research on gravitropic responses of roots and stems show?
A) Different tissues have the same response to auxin.
B) The effect of a plant hormone can depend on the tissue.
C) Some responses of plants require no hormones at all.
D) Light is required for the gravitropic response.

Question

Quizplus · Accepted Answer

The results show that the effect of a plant hormone, auxin, can depend on the tissue – roots and stems respond differently to varying levels of auxin.

What Do the Results of Research on Gravitropic Responses of Roots