Without this “glowingcharacteristic, how can the scientists determine if the cells they are studying are alive or dead?

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

i think the answer would be d

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.