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every living cell is surronded byu a living membrane called cell membrane which allows the passage of some molecules preventing the passage of others in this way maintains the internal composition to constant or nearly constant.

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14y ago

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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.


Define When a cell use energy to move material across cell membrane?

if it is against a concentration difference.


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 do you define eukaryote?

A eukaryote is an organism with cells with a nucleus and other organelles enclosed within a cell membrane.


Define a cell?

smallest unit that displays the properties of life; always contains cytoplasm surrounded by a plasma membrane.


What Controls what moves in and out of the cell?

Cell membrane


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 is the thin flexible membrane around all cells?

the cell membrane is as flexible barrier outside of the cell.


Is the Cell membrane considered to be a part of the Cell's protoplasm?

Yes, the cell membrane is considered to be part of the protoplasm in a cell. Protoplasm includes all the living components of the cell, such as the cytoplasm and organelles. The cell membrane surrounds the cytoplasm and organelles, helping to define the boundary of the cell.


Which contains the other cell membrane or phospholipid?

the cell membrane


What controls the entering and leaving of a cell?

cell (plasma) membrane


What is the outer boundary of a cheek cell called?

cell surface membrane cell surface membrane