Write a note on drug target interaction.

Explain Receptor as drug targets.

Explain the classification of polymers based on their structure and mode of synthesis.

Styrene polymerises to polystyrene when heated in the presence of peroxide initiator.
(i) What is the mechanism involved?
(ii) Give the initiation step for the above process.
(iii) How does the chain propogate in the above mechanism?
(iv) How is the above chain reaction terminated?

Explain the prepareation of Bakelite and Give its use.