课程名称︰植物生理学 课程性质︰必修/选修 课程教师︰叶开温 金洛仁 黄启颖 开课学院：生命科学院 开课系所︰生命科学系 考试日期（年月日）︰2009.06.15 考试时限（分钟）：1030~1210 是否需发放奖励金：是 （如未明确表示，则不予发放） 试题 : Final Examination of Plant Physiology I.Terminology: 3 points each 1.Expansin 2.IAA conjugates 3.Acid-growth hypothesis 4.Photoreceptors(give three examples) 5.Cholodny-Went hypothesis 6.Starch-statolith hypothesis 7.Photoequilibrium 8.Loss-of-function 9.Motor cell 10.Nastic movement II.Short question: 5 points each 1.What is the stress relaxation in the precess of cell growth. 2.Please describe the pathway of "phospholipids-based signaling" and "calcium -based signaling". 3.What are the two principal categories of movement in plants, base on the difference of mechanism? 4.How is the phytochrome signal transduction pathway?(文法怪怪？照打的) 5.How to use gene transformation method to prevent ethylene production in plant (hint:what genes are available for transformation?). III.Long question: 1.How does auxin activate gene expression, please describe the pathway from receptor to responsive gene(10%). 2.Describe the signal pathway of Gibberellin. How is the DELLA proteins related to green evolution?(10%). 3.Please describe the relationship among gravistimlus, auxin redistribution, PIN protein and root gravitropism.(10%) 4.What is the Yang cycle? What is the precursor, end product, and the key enzyme?(10%) 5.Please describe "the Discovery of Gibberellins".(5%) --

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