Explain how cells are able to differentiate and how are cells able to tell when a specific gene should be produced before translation occurs. Use the following terms in your answer, DNA, gene expression, protein, transcription factors, RNA, polymerase

the correct answer is option b

behavioral response need communication and thus co-ordination at several levels such as interaction among cells, organ system and the entire organism.

behavioral response produces both internal and environmental stimulus.

synapse nervous system