問題詳情
21. About the phytochrome, which one of the following is the best answer?
(A)Pr and Pfr are the same protein.
(B) Pr can trigger the flower gene of long-day plant.
(C) Pfr can trigger the flower gene of short-day plant.
(D)During the night time, the flash of light can increase the level of Pr
(E)The night-length can be broken by the flash of light, likewise, the day-length can be broken by coveringthe black tank.
(A)Pr and Pfr are the same protein.
(B) Pr can trigger the flower gene of long-day plant.
(C) Pfr can trigger the flower gene of short-day plant.
(D)During the night time, the flash of light can increase the level of Pr
(E)The night-length can be broken by the flash of light, likewise, the day-length can be broken by coveringthe black tank.
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增
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