Saturday, October 24, 2009

cellbiology-set-2-jntu-btechbiotechnology-2008-cellbiologyold question papers

Code No: R05212303 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. Enumerate the characteristics of a living Cell. [16]
2. Explain with respect to plasma membrane structure [8 × 2 = 16]
(a) Fluid mosaic model
(b) Carbohydrate moieties
3. Describe the organization of the membranes of a chloroplast. How does this orga-
nization di er from that of mitochondria? [16]
4. Explain the process of endocytosis wiht in a cell in detail. [16]
5. Write short notes on:
(a) Interphase
(b) Cytokinesis. [8+8]
6. Using suitable examples explain cytoplasmic determinants in cell di erentiation.
7. Describe the major classes of cell surface receptors. Define briefly G-protein linked
and enzyme linked receptors? [16]
8. Write a short note on cGMP as secondary messenger in cell signaling. [16]

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