Answer the following question given this paragraph: 

Probably the most important feature of a cell’s phospholipid membranes is that they are selectively permeable or semipermeable . A membrane that is selectively permeable has control over what molecules or ions can enter or leave the cell, as shown in Figure below . The permeability of a membrane is dependent on the organization and characteristics of the membrane lipids and proteins. In this way, cell membranes help maintain a state of homeostasis within cells (and tissues, organs, and organ systems) so that an organism can stay alive and healthy.


Q: A membrane has what property if it can control what molecules or ions enter or leave the cell?

 Choices:

- indiscreet permeability

- impermeability

- susceptible permeability

- selective permeability

A:
selective permeability
