Biochem HW of Oct 19

1.課本：
ch2: 2,3,8,16
ch3: 10,12,14

2.Why in SDS-page the small molecules come out first while in gel filtration the small molecules come out last, although they both utilize polyacrylamide gel.
(Tip: check the difference of their sieving effect. SDS-page 在課本p92; gel filtration=Size-exclusion chromatography, 在課本p90~91)

3. Polystyrene resin is a strong cation exchanger, what is it's structure? How does it bind with a sulfonic acid group?
(Tip: check the Merck Index, or search the trademarks: "Bio-Rad AG 50" or "Dowex 50")

4.the problem on the handout p11~Arrange the order of elution...

5. The structure of Ninhydrin?
(Icetimerの更正:The structure of Ninhydrin and how it reacts with NH2 of amine)
(anyways, 我也漏了後半題但我印完了, 算了)

*星期四給那張練習題の解答
*And I still don't know where!
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alright, if I want to learn some stuff, I need to forget how bad he teaches; but focus on what I can get from him, no matter how less.
But hay, he's better this time!