Saturday, October 24, 2009

biochemistry-jntu-btechbiotechnology-old questionpapers

Code No: R05212301 Set No. 2
II B.Tech I Semester Supplimentary Examinations, November 2008
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. What do you mean by Carbohydrates? Discuss the carbohydrates that are mem-
brane Components. [16]
2. How the glucose level of blood is maintained in animals? Discuss the role of Hor-
mones in sugar regulation in the animal body. [16]
3. Summarize the sequence of reaction involved in malate aspartate shuttle. [16]
4. Describe proteins conformation is stabilized largely by weak interaction. [16]
5. List out the amino acids that are synthesized using the precursor α-ketoglutarate
and sketch their biosynthesis. [16]
6. (a) What are structural lipids? Give their structural characteristics.
(b) Which are the phospholipids that have ether-linked fatty acids. Give their
structures and mention their physiologicsl significance. [8+8]
7. (a) What is substrate level phosphorylation? Explain its significance. Illustrate
two reactions in which such phosphorylation reactions occur.
(b) Sketch the biogenesis of ethanol. [8+8]
8. What is the electron flow in cyclic photophosphorylation. When this occur? Illus-
trate this phenomenon with the help of a flow-sheet diagram. [16]

No comments:

Post a Comment