BSA is often added to PCR reactions to stabilize enzymes and improve efficiency, but it does not prevent contamination. Preventing contamination requires physical separation of pre- and post-PCR areas, cleaning equipment, and separating reagents. BSA is unrelated to contamination control.
Match the LIST-I with LIST-II
| LIST-I | LIST-II |
|---|---|
| A. Ricin | I. Snake venom |
| B. Abrin | II. Stops protein synthesis |
| C. Hyaluronidase | III. Used to lull cattle's |
| D. Histamines | IV. Bee and wasp venom |
Match List-I with List-II 
