More than one expert has observed that musicals with great scores and weak books tend to fail, while those with mediocre scores and solid books have a better chance of succeeding. After all, the first job of every play or film  musical or not  is to tell a good story.
Cell membrane. The cell membrane (also known as the plasma membrane or cytoplasmic membrane) is a biological membrane that separates the interior of all cells from the outside environment. The cell membrane is selectively permeable to ions and organic molecules and controls the movement of substances in and out of cells.
Type your answer here... The cell membrane which is the plasma membrane is called the fluid mosaic model because :the plasma membrane consists of both lipids and proteins. T â¦ he fundamental structure of the membrane is the phospholipid bilayer, which forms a stable barrier between two aqueous compartments.his membrane is called the fluid mosaic (more than one thing) model as it is a mixture of phospholipids, cholesterol, proteins and carbohydrates.