JNTU Question Papers Cell Biology 1st Sem Nov 2008

JNTU Question Papers

Cell Biology 1st Sem Nov 2008

 

1. Draw a neat labelled diagram of the following:

(a) Structure of bacterial cell.

(b) Structure of animal cell.

(c) Structure of plant cell.

(d) Structure of any virus. [4+4+4+4]

 

2. Write short notes on:

(a) Microtubules.

(b) Micro filaments.

(c) Intermediary filaments.

(d) Cytoskeleton. [4+4+4+4]

 

3. What is meant by Exocytosis and Endocytosis. Explain these processes that take

place in the cell. [8+8]

 

4. What is a thylakoid? What are the functions? [8+8]

 

5. Describe:

(a) Karyokinens.

(b) role of cytoskeletal elements in cell division. [8+8]

 

6. Explain nucleo-cytoplasmic interaction in eggs and embryo. [8+8]

 

7. Write short notes on:

(a) Chemo taxis.

(b) Tumbling motion.

(c) Smooth swimming motion.

(d) Receptor triggered phosphoryktion. [4+4+4+4]

 

8. Discuss the role of co and co calmodulia complexes:- Signal transduction. [6+10]

 

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