Why might material need energy to move through the cell membrane?

Answer 1

The materials don't need energy its the cell that needs energy to pick up the material. The process in which a cell gathers materials while using its energy is call Active Transport. There are several ways in which the cell can pick up materials. It can wrap its membrane around it and form a vacuole or storage space for it. Or it can send some of its proteins to go and get it. There are also many more ways but those were just a few. To do these things cost the cell energy.

There is a way although, for the cell to gather materials without using its energy. This is called Passive Transport. This can occur when there is a high concentration of water molecules outside of the cell, and a low concentration inside. The water naturally moves into the low concentrated area and it brings the dissolved materials with it.

Answer 2

Materials may need energy to move through the cell membrane against their concentration gradient, which is known as active transport. This process requires cellular energy to pump molecules or ions across the membrane. Without energy, the movement of materials across the cell membrane would rely solely on passive processes like diffusion, which may not be sufficient for maintaining proper cellular functions.

Answer 3

its caz the cell membrane is made of lipids and lipid is fat so its harder to get through .