Why doesn't the cell membrane pinch in to divide the cytoplasm telophase in plant cells?

The rate at which molecules water and oxygen can enter a cell is determined by the-

Describe two recent or ongoing space missions.

Im inn a ! what"s the answer which of the following is one way creativity can scientists? by ensuring they follow the scientific method by increasing the amount of time it takes to complete scientific experiments by making sure they only try things that have already been proven by leading them to ask more questions about the natural world