JNTU Question Papers Bio-Chemistry 1st Sem November 2008

JNTU Question Papers

Bio-Chemistry 1st Sem November 2008

 

1. (a) Write a detailed account of various derivatives of sugars formed by chemical

reactions.

(b) Discuss the importance of any two of them? [8+8]

 

 

2. What is a glycosidic bond? Illustrate with structures of suitable examples [16]

3. Describe how lovastatin inhibits cholesterol biosynthesis and write the importance

of cholesterol as a biomembrance constituent. [10+6]

 

4. How bacteria, fungi and plant fix up nitrogen to meet their needs. [16]

 

5. Describe the pathways in the biosynthesis of aromatic amino acids. [16]

 

6. “TCA cycle is the final common pathway of oxidation of carbohydrates, proteins

and lipids”- Substantiate the statement. [16]

 

7. Write a note on the Role of the Stroma and Thylakoid in photosynthesis process.

[16]

 

8. Why do we say respiration is the “inverse” of photosynthesis?

 

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