| Answer | Crossword Clue |
|---|---|
| fibroin | an insoluble protein, also FIBRIN |
| fibroins | FIBROIN, an insoluble protein, also FIBRIN |
| fibrins | FIBRIN, an insoluble protein, also FIBROIN |
| fibrin | an insoluble protein, also FIBROIN |
| scleroprotein | An insoluble structural protein such as keratin, collagen, or elastin |
| scleroproteins | An insoluble structural protein such as keratin, collagen, or elastin |
| fibroins | an insoluble protein comprising the filaments of the raw silk fiber |
| fibroin | an insoluble protein comprising the filaments of the raw silk fiber |
