Penicillin is made by the fungus Penicillium. The stages involved are given below. 1 Corn and yeast are added to the fungus. 2 Penicillin is extracted. 3 Penicillin is secreted by the fungus. 4 The product is filtered. What is the order of these stages?
- A1 → 3 → 4 → 2
- B2 → 3 → 1 → 4
- C3 → 1 → 2 → 4
- D4 → 3 → 1 → 2