Cell membrane diagram easy

The cell membrane plasma membrane is a thin semi permeable membrane that surrounds the cytoplasm of a cell its function is to protect the integrity of the interior of the cell by allowing certain substances into the cell while keeping other substances out. Plasma membranes contain phospholipids cholesterol proteins and carbohydrates that are arrayed in regular repeating rows to form a highly plastic surface for the cell. The cell membrane is a thin flexible layer around the cells of all living things. The cell membrane is made up of two layers that are composed of phospholipids. All cells are contained by a cell membrane that keeps the pieces inside. Cell membranes are at their most basic composed of a phospholipid bilayer with some surface proteins embedded around the surface. It contains a variety of biological molecules primarily proteins and lipids which are involved in a vast array of cellular processes. In all cells the cell membrane separates the cytoplasm inside the cell from its surroundings. The cell membrane also called the plasma membrane or plasmalemma is a semipermeable lipid bilayer common to all living cells. It is a selectively permeable cell organelle allowing certain substances inside the cell while preventing others to pass through and thus is analogous to a barrier or gatekeeper in their function. It is sometimes called the plasma membrane or cytoplasmic membrane. Bacteria fungi and plants have strong cell walls as well which support the cell and block the passage of large molecules. Animal cells are contained in just a membrane. Its basic job is to separate the inside of cells from the outside. When you think about a membrane imagine it is like a big plastic bag with some tiny holes.

Cell membranes according to cell theory cells are the main unit of organization in biology whether you are a single cell or a blue whale with trillions of cells you are still made of cells. The cell membrane also called the plasma membrane is a thin layer that surrounds the cytoplasm of all prokaryotic and eukaryotic cells including plant and animal cells. The plasma membrane is a protective barrier that surrounds the interior of the cell. The cell membrane is an extremely pliable structure composed primarily of back to back phospholipids a bilayer cholesterol is also present which contributes to the fluidity of the membrane and there are various proteins embedded within the membrane that have a variety of functions. This description about cell membrane structure and functions should help in understanding the working in a better manner.

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