Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a caffeine stimulus. Caffeine is an alkaloid found in numerous plant species, where it acts as a natural pesticide that paralyzes and kills certain insects feeding upon them. [GOC:ef, GOC:mah]
Full description or abstract
Collection
C5: Ontology GO: Gene Ontology GO:BP: GO Biological Process