學士後西醫-普通生物及生化概論題庫下載題庫

6.Phototropism allows the plant to optimize photosynthetic light capture in the aerial portion. Which of the following descriptions of phototropism is correct?
(A) The light on the left is red light; the concentration of auxin is higher on the R side
(B) The light on the left is red light the concentration of auxin is higher on the F side
(C) The light on the left is red light; the concentration of cytokinin is higher on the R side
(D) The light on the left is blue light; the concentration of cytokinin is higher on the E side
(E) The light on the left is blue light; the concentration of auxin is higher on the R side