GO:0050896	P	1.00	response to stimulus
GO:0001580	P	0.98	detection of chemical stimulus involved in sensory perception of bitter taste
GO:0044699	P	0.41	single-organism process
GO:0065007	P	0.40	biological regulation
GO:0050794	P	0.39	regulation of cellular process
GO:0009987	P	0.33	cellular process
GO:0044763	P	0.26	single-organism cellular process
GO:0007165	P	0.23	signal transduction
GO:0006810	P	0.19	transport
GO:0008152	P	0.16	metabolic process
GO:0044765	P	0.14	single-organism transport
GO:0071704	P	0.12	organic substance metabolic process
GO:0007186	P	0.12	G-protein coupled receptor signaling pathway
