Elucidate the rolling circle mechanism of DNA replication.

What are the different levels of packaging of DNA into higher order structures? Discuss.

Pseudogenes

Cot Curve

Discuss the Singer and Nicholson's Model of Plasma membrane.

Differentiate between apoptosis and necrosis.

What are the check points? Describe their role in regulation of cell cycle.

Describe the different cell adhesion molecules.

Write a brief account note on extracellular matrix (ECM).

Draw the molecular orbitals of benzene and illustrate its electronic configuration.

Write the products formed when 2-pentyne undergoes ozonolysis. Give the mechanism involved.

Write the mechanism of hydration of 1-butene.

Explain the mechanism of Birch reduction giving a suitable example.

Briefly explain the following reactions and give their importance;

(i) Wurtz reaction

(ii) Sabatier-Senderen’s reaction

Microtubules

Photosynthesis

Mitochondrial cristea

Nucleoplasm

Which out of the following pairs is more stable and why?

How does the stabilities of free radicals resemble those of carbocations? Explain with the help of suitable examples.