| Answer | Crossword Clue |
|---|---|
| elastin | protein constituting the basic substance of elastic tissue |
| resilin | elastic substance of cross-linked protein chains found in the cuticles of many insects, esp. in the wings |
| resilins | elastic substance of cross-linked protein chains found in the cuticles of many insects, esp. in the wings |
| conchiolin | a fibrous protein substance that forms the basic structure of the shell of molluscs |
| conchiolins | CONCHIOLIN, a fibrous protein substance that forms the basic structure of the shell of molluscs |
