What is a cell membrane in your own words?

Asked by: Antoine C

asked in category: General Last Updated: 29th April, 2020

What is a cell membrane in your own words?

A cell membrane is like a cell’s gatekeeper. It’s the outer layer that surrounds a cell, letting substances in — or keeping them out. A membrane is a barrier that offers protection, like a rubber membrane that keeps rain from seeping under your roof. It controls which substances can enter and exit the cell.

Simply so, what is a cell membrane short definition?

The thin membrane that forms the outer surface of the protoplasm of a cell and regulates the passage of materials in and out of the cell. It is made up of proteins and lipids and often contains molecular receptors. The membranes of organelles within the cell are made of the same basic material as the cell membrane.

One may also ask, what is cell membrane in one sentence? cellmembrane Sentence Examples. They laid great stress on the nitrogenous nature of protoplasm, and noted that it preceded the formation of the cellmembrane. By the segmentation of the fertilized egg, now invested by cellmembrane, the embryo-plant arises.

In this regard, what is a cell membrane definition for kids?

Kids Definition of cell membrane: the thin outside layer that surrounds the cytoplasm of a cell and controls the movement of materials into and out of the cell. cell membrane. noun.

What is in a cell membrane?

Cell membrane. Enclosed by this cell membrane (also known as the plasma membrane) are the cell’s constituents, often large, water-soluble, highly charged molecules such as proteins, nucleic acids, carbohydrates, and substances involved in cellular metabolism.

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