JNTU Question Papers
Bio-Chemistry 1st Sem November 2008
1. (a) What is a disaccharide ?
(b) Give two examples with structure?
(c) Discuss the role of any two disaccharides is nutritional metabolism? [3+4+9]
2. What is a glycosidic bond? Illustrate with structures of suitable examples 
3. Give an account of metabolism of triglycerols. 
4. Give an account of any three non essential aminoacids and add a note on their
5. Describe the pathways in the biosynthesis of aromatic amino acids. 
6. “TCA cycle is the final common pathway of oxidation of carbohydrates, proteins
and lipids”- Substantiate the statement. 
7. Where does photosynthesis occur in an organism? How you differentiate between
bacterial and plant photosynthesis system? [4+12]
8. Describe the photosystem I and II pathways and comment on their significance.