JNTU Question Papers Cell Biology 1st Sem Nov 2008

JNTU Question Papers

Cell Biology 1st Sem Nov 2008

1. Describe with the help of a detailed diagram the ultra structure of a eukaryotic

cell. [8+8]

 

2. What concepts of general chemistry are important for cell structure and function?

[8+8]

 

3. Describe the structure and functions of nuclear envelope, nucleus and nucleolus.

[4+6+6]

 

4. Describe the structure and function of peroxisomes with a note on its role in plant

and animal cells. [4+12]

 

5. Describe and draw a cell that is in prophase, metaphase, anaphase and telophase.

[4+4+4+4]

 

6. Define cell differentiation and morphological differentiation. [8+8]

 

7. What are the different kinds of chemo receptors that are involved in transmission

of signals across bacterial membranes. [6+10]

 

8. What are the two most common mechanisms whereby signals are “transduced” to

proteins within a cell? What are examples of “second messengers”? What are

“second messengers”? [4+4+8]

 

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