MOLECULAR BIOLOGY Question Papers (Regular, 2005)

SET: 4

1. What are the roles of RNA primers and Okazaki fragments during DNA replication?

2. DNA relplication is bidirectional. What would the replication bubble look like (using the same labelling regimen as discussed in class) if replication was unidirectional?

3. Write short notes on

(a) rho dependent termination

(b) rho independent termination

4. What will determine whether regions of alpha-helical structure lie at the surface or in the interior of a water-soluble globular protien?

5. Describe different types of mutations and explain the importance of mutations for genetic reasearch.

6. Which are the functional portions of a functional gene?

7. Describe the mechanism of transformation process.

8. What are Retroposons?