ChEBI

A molecular entity capable of accepting a hydron from a donor (Bronsted acid).

A molecular entity capable of donating a hydron to an acceptor (Bronsted base).

Any eukaryotic metabolite produced during a metabolic reaction in plants, the kingdom that include flowering plants, conifers and other gymnosperms.

A role played by a chemical compound in biological systems with adverse consequences in embryo developments, leading to birth defects, embryo death or altered development, growth retardation and functional defect.