About the Film. Doug has it all, a beautiful fiancÃ©e, a successful career, and a historic country home. But when Doug's bride-to-be, Lori, is killed in a car accident that he believes he caused, Doug retreats to their isolated farmhouse to deal with the loss. Left to grieve amid years of memories, Doug realizes he has not returned alone.
The Plasma Membrane is a selectively permeable membrane as it only allows entry and exit of some selected molecules into and out of the Cells. It also prevents movement of s â¦ ome other materials, therefore the plasma membrane is called a selectively permeable membrane. 104 people found this useful. Johnellishartford.
In a nutshell, the cell membrane lets some things through and restricts the passage of other things. For this reason, it is said to be selectively permeable. A very interesting topic of study is the blood / brain barrier. The cells of the brain do not allow just any molecule to cross into the brain from the blood. They have set up amazing little elevators that select and classify before transportation.