| Answer | Crossword Clue |
|---|---|
| proenzymes | A biologically inactive substance that is metabolized into an enzyme |
| proenzyme | A biologically inactive substance that is metabolized into an enzyme |
| zymogens | An inactive substance that is converted into an enzyme when activated by another enzyme |
| pepsinogen | A substance that is secreted by the stomach wall and converted into the enzyme pepsin by gastric acid |
| pepsinogens | A substance that is secreted by the stomach wall and converted into the enzyme pepsin by gastric acid |
| trypsinogen | An inactive substance secreted by the pancreas, from which the digestive enzyme trypsin is formed in the duodenum |
