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The plasma membrane serves as a barrier to the outside environment. The membrane acts as a boundary, holding the cell constituents together and keeping other substances from entering.
The plasma membrane surrounds the outside of both Eukaryotic and Prokaryotic cells. It is made up of a double layer of phospholipids and controls the movement of various substances into and out of the cell, both passively and actively. It also allows cell identification.
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1. Transport
2. Enzyme Activity
3. Receptors for signal transduction
4. intercellular joining.
5. cell-cell recognition.
6. attachment to the cytoskeleton & extrmatrix (ECM)
What_is_the_function_of_plasma_membrane
Wiki User
∙ 8y ago
Wiki User
∙ 13y agoThe plasma membrane controls what can eneter and leave the cell. Its job is so important!
It is represented as the "fluid mosaic model" because it looks like a mosaic. On the outer part, it has what is called "hydrophobic heads", which basically means that it hates water. Because of these hydrophobic heads, the membrane is selectively permeable. On the inner part, it has "hydrophilic heads" which means it is water loving. The plasma membrane is very selective as to what enters and leaves.
Wiki User
∙ 13y agoThe cell membrane is the outermost barrier of an animal cell. As for plants, the cell membrane is surrounded by the cell wall, which gives the cell a much more rigid structure. To clarify, all cells have a plasma membrane. The function of the cell membrane is to protect the cell and control the transport from the inside to the outside of the cell. It contains transport signaling systems such as protein channels through which substances such as salts pass. Some ways of how big food molecules pass through the membrane is diffusion, osmosis, facilitated transport, and active transport.
The cell membrane is made up of lipids, protein, and carbohydrates. In addition, it is also referred to as the phospholipid bilayer.
Wiki User
∙ 13y agoThe plasma membrane has many roles:
1: It helps give a cell its shape.
2: It protects the cell.
3. It allows materials to enter and leave the cell.
4. It holds the cell material together.
Wiki User
∙ 16y agoit regulates the entry and exitof the molecules
Wiki User
∙ 11y agothe purpose of the plasma membrane is to control what enters and exist the cell.
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What are the specializations of the plasma membrane?
The plasma membrane has one very specific function: Control over what enters or leaves the cell.
The cell membrane also is called the?
The cell membrane is also known as the plasma membrane or the cytoplasmic membrane. It is a biological membrane that separates all cells' interior from the outside, though can be permeated by selection ions and molecules. Its basic function is to protect the cell from its surroundings.
What is the function of a plasma membrane cell?
to hold the insides of the cell together the cell wall lets thing in and out
How does nutrients enter a cell?
The plasma membrane.
What is the function of the carbohydrates that stick out if the plasma membrane?
The carbohydrates help identify chemical signals and define the characteristics of the cell.
Another name for plasma membrane?
A cell membrane is also known as a plasma membrane or cytoplasmic membrane. The cell membrane separates the interior of a cell from its outside environment. The main function of a cell membrane is to protect the cell from its surroundings.
What will happen to the cell if the plasma membrane does not function well?
It will explode.
What are the specializations of the plasma membrane?
The plasma membrane has one very specific function: Control over what enters or leaves the cell.
The cell membrane also is called the?
The cell membrane is also known as the plasma membrane or the cytoplasmic membrane. It is a biological membrane that separates all cells' interior from the outside, though can be permeated by selection ions and molecules. Its basic function is to protect the cell from its surroundings.
What is the function of a plasma membrane cell?
to hold the insides of the cell together the cell wall lets thing in and out
What is the function of the cell selectively permeable plasma membrane?
it regulates what materials enter and leave the cell
How does nutrients enter a cell?
The plasma membrane.
Define the structure and function of the cell membrane plasma membrane?
The cell membrane consists of a lipid bilayer which is actually a phospholipid. Cell membranes are semipermiable and they regulate what enters and leaves the cell.
What is the function of the carbohydrates that stick out if the plasma membrane?
The carbohydrates help identify chemical signals and define the characteristics of the cell.
How is the plasma membrane of the liver cell?
plasma membrane
What regulates passage of materials into and out of cells?
The cell membrane controls movement of materials in and out of the cell.
What organelle main function maintain homeostasis?
Homeostasis is maintained through the plasma/cell membrane. The cell membrane performs osmosis to do so
