цепь; цепочка
- chain of attack
- chain of food organisms
- chain of transformers
- double chain
- electron transport chain
- food chain
- H chain
- heavy chain
- invariable chain
- J chain
- joining chain
- joint chain
- L chain
- light chain
- reaction chain
- redox chain
- reflex chain
- respiratory chain
- side chain
- single chain
- transfer chain