推 whaleswin16 :農化系已收 01/04 22:41
推 dragonfly007:感覺好難 全是問答題... 01/05 09:25
推 wildbone :大推阿志! 01/05 22:59
課程名稱︰生物化學上
課程性質︰必修
課程教師︰楊健志
開課學院：生科院
開課系所︰生化科技系
考試日期（年月日）︰2010/12/21
考試時限（分鐘）： 110
是否需發放獎勵金： 是
（如未明確表示，則不予發放）
試題 :
1. Please draw a picture to present the formation of two cyclic forms of
D-glucose from the linear form. Use Harworth perspective formulas to
present the cyclic form. Indicate anomeric carbon(s). Discuss the stability
of the two possible cyclic conformers.
2. Please draw chemical structure of D-mannose, L-mannose, D-galactose, ß-
galactose, GlcNac, ß-D-glucuronate.
3. Please compare structure and function of starch/glycogen and cellulose in
detail. Include the following terms, torsion angles(phi,psi), extended
chain, hydrogeem bond, hydrolytic enzymes, linkage.
4. Please describe the structure features of heparin and heparan sulfate.
Describe the four types of protein interaction with heparan sulfate.
5. Define the O-linked and N-linked oligosaccharides.
6. Please explain sugar code, lectin-ligand interaction in lymphocyte movement.
7. What reaction catalyzed by invertase? What is "inverted" in this reaction?
8. Identify reducing sugars from following.Anf explain why for each one?
a.Gentiobiose
b.Sucrose
c.D-gluconate
d.GalNac
e.Starch
9. Explain all the factors that contribute to the stability of DNA in double-
helix.
10. Describe the basic principle for Sanger method for DNA sequencing.
11. Draw the chemical structures for AT pair, GC pair. Also draw GT pair and
explain the cause for the formation of this mismatch.
12. Describe the most methods to determine the concentration of protein and
DNA in detail. This methods do not require any added reagents/chemicals.
13. Please describe the physiological roles of lipids(at least 5 terms). And
discuss the different lipid compositions in animals and plants.
14. Name the following lipids using "commom name".Compare their melting point.
Draw their chemical structure with correct cis/trans configuration.
a).14:0 b).16:0 c).18:2(delta 9,12) d).20:4(delta5,8,11,14)
15. What is trans-fatty acid? Why it is not good for health? How does it form?
16. Sphingomyelins are enriched in myelin.Explain why?
17. Glycolipids are enriched in plants, ether lipids are enriched in archaea,
explain why?
18. Describe the precursor and derivates of Vitamin A. Discuss their functions.
19. Explain the following terms(10%) 選5
a.Fructooligosaccharide
b.Exhaustive methylation for carbohydrate research
c.美白產品廣告-左旋C
d.Bendict's solution
e.Carbohydrates have six major functions within the human body
f.Avain influenza virus H5N1(What do H, and N stand for and explain there func-
tions)
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 140.112.252.220