Chemistry Reference
In-Depth Information
Section 8.4
1. Describe natural rubber. How is it obtained? What is the chemical structure?
2. What are gutta-percha, balata, and chicle? Explain.
Section 8.5
1. Explain what is meant by polypeptides.
2. Explain the difference between fibrous proteins and globular proteins.
3. What are nucleoproteins? What is a prosthetic group? Give an example.
4. Explain what is meant by a secondary structure of a protein and an
-helix.
a
5. What is meant by a tertiary structure of a protein?
6. What is an enzyme? How does it function?
7. Discuss with the aid of chemical equations the synthetic routes to polypeptides.
8. Discuss chemical modifications of proteins for commercial purposes.
Section 8.6
1. What is the basic structure of a unit in nucleic acids?
2. How do the sugars differ in DNA from RNA?
3. Draw the structures of a nucleoside and a nucleotide.
4. Discuss the syntheses of nucleic acids.
Recommended Reading
K. Kamide,
Cellulose and Cellulose Derivatives
, Elsevier, Amsterdam, 2005.
References
1. E. Hicks,
Shellac, It's Origins and Applications
, Chemical Publishing Co., New York, 1961; S. Maiti and
M.D.S. Rahman,
J.,Macromol. Sci., Rev. Macromol. Chem. Phys., C26
, 441 (1986)
2. E. Fischer,
Ber., 24
, 1836,2683 (1881);
29
, 1377 (1896)
3. W.N. Haworth, E.L. Hirst, and H.A. Hampton,
J. Chem. Soc., 1929
, 1739
4. T. Svedberg,
J. Phys. Colloid. Chem., 51
, 1 (1947)
5. K.H. Meyer and H. Mark,
Der Aufbau der Hochpolymeren Organischen Naturstoffe
. Akademie Verlaga-
gesellschaft, Leipzig, 1930
6. S. Morell and K.P. Link,
J. Biol. Chem., 100
, 385 (1933)
7. S. Morell, L. Bauer, and K.P. Link,
J. Biol. Chem.,
105
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8. P.A. Levene and L.C. Kreider,
J. Biol. Chem.,
129
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9. P.A. Levene, G.M. Meyer, and M. Kuna,
Science,
89
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10. R.L. Whistler and J.N. BeMiller, eds.
Industrial Gums
, 2nd ed., Academic Press, New York, 1973
11. R.L. Whistler and E.F. Paschall, eds.
Starch, Chemistry and Technology
, vols. I and II, Academic Press, N.Y. 1965
12. N.M. Bikales and L. Segal, eds.
Cellulose and Cellulose Derivatives
, Wiley-Interscience, N.Y. 1971; A. Hebeish
and J.T. Guthrie,
The Chemistry and Technology of Cellulose Derivatives
, Springer-Verlag, New York, 1981
