Elucidation of the biochemical nature of the signal transduction pathway that regulate transcription and replication is the focus of attention in molecular biology .
elucidation of the biochemical nature of the signal transduction pathway that regulate transcription and replication is the focus of attention in molecular biology .
O O O O O O O B-other_name I-other_name I-other_name O O O O O O O O O O O B-other_name I-other_name O