Name 5 micro-organisms used in the field of medicines are :
1. Penicillium notatum- Penicillin
2. Streptomyces griseus - Streptomycin
3. Escherichia coli- Humulin
4. Bacillus subtilis- Bacitracin
5. Streptomyces auteofaciens -- Aureomycin