When we first see chiasmata under a microscope, we know that

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his 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

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement