1. Please give one example to illustrate the Paracelsus challenge 2. Please give one example (the use of minimizing the Z domain of protein A ) to illustrate the notion that structural scaffolds can be reduced in size while function is retained. 3. Describe what you know about X-ray crystallography 4. Describe the hanging-drop method in X-ray crystallography 5. Describe several kinds of X-ray sources. 可以幫我解決這些問題嗎 Orz 謝謝~~ -- 我可以一直很開心 哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈哈 -- 夫兵者不祥之器物或惡之故有道者不處君子居則貴左用兵則貴右兵者不祥之器非君子 之器不得已而用之恬淡為上勝而不美而美之者是樂殺人夫樂殺人者則不可得志於天下 矣吉事尚左凶事尚右偏將軍居左上將軍居右言以喪禮處之殺人之眾以哀悲泣之戰勝以 喪禮處之道常無名樸雖小天下莫能臣侯王若能守之萬物將自賓天地相合以降甘露民莫 之令而自均始制有名名亦既有夫亦將知222-157-137-50.cctv.dynamic.lsc.net.tw海