Ihave a question about the homework

the cell cycle is the final answer! : )

your body is trying to warm itself up. or more precisely, sensors in your skin send messages to your brain to generate heat to your body.

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.