tetrapyrrole
/ˌtɛtrəˈpɪroʊl/
noun
- A chemical compound made of four pyrrole rings, found in important biological molecules like hemoglobin and chlorophyll.
- Scientists study tetrapyrroles to understand how plants capture sunlight during photosynthesis.
- Hemoglobin contains a tetrapyrrole structure that binds oxygen in the blood.
- The green color of leaves comes from chlorophyll, a type of tetrapyrrole.