Saturday, October 24, 2009

cellbiology-old question papers-jntu-btechbiotechnology-2008

Code No: R05212303 Set No. 3
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 are the basisc properties of any living cell? [16]
2. What is meant by Motor proteins with respect to cytoskeleton. Explain citing
suitable examples. [16]
3. What are cell organelles? Why are mitochondria important for the functioning of
eukaryotic cells? [16]
4. Discuss the roles of [8 × 2 = 16]
(a) V-class proton pumps
(b) ABC Superfamily
in transport of substances across Plasma membrane.
5. Write about the early experiments, which led to the discovery of cyclin dependent
kinases. [16]
6. Using suitable examples explain Nucleoplasmic interactions in cell di erentiation.
7. What is the importance of receptors in cells? [16]
8. With respect to secondary messengers, write short notes on:
(a) cAMP
(b) cGMP. [8+8]

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