Code No: R05212303 Set No. 4
II B.Tech I Semester Supplimentary Examinations, November 2008
CELL BIOLOGY
(Bio-Technology)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
⋆ ⋆ ⋆ ⋆ ⋆
1. With a neat labelled diagram explain the structure of a typical Prokaryotic cell.
[16]
2. Write notes on the following: [8 × 2 = 16]
(a) kinesins & Dyenins
(b) Myosins
3. How are lysosomes synthesized? Discuss their relation with endocytosis process in
a cell. [16]
4. Describe the process of receptor-mediated endocytosis with suitable illustrations.
[16]
5. What is the cell cycle? What are the stages of the cell cycle? How does the cell
cycle vary among di erent types of cells? [16]
6. Explain the term ”determinants” in cell di erentiation using suitable examples.[16]
7. What is the importance of receptors in cells? [16]
8. Define ”hormone”? What are the 4 major chemical classes of hormones? How
can you distinguish between a hormone & a neurotransmitter and hormones and
pheromones? [16]
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