PLEASE HELP!! 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, Jean expression, protein, transcription factors, RNA polymerase

Johnny rode his bike 4 blicks down the street to his friend's house once he got to his friend house and realized he could not cone out to play he turned aroubd and went back home. what is displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point