Question

50 pts

write about Plasma membrane.


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Answer 1

Answer:

All cells are surrounded by a plasma membrane. The membrane is composed of a phospholipid bilayer arranged back-to-back. The membrane is also covered in places with cholesterol molecules and proteins. The plasma membrane is selectively permeable and regulates which molecules are allowed to enter and exit the cell.

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Answer 2

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The plasma membrane is also known as selectively permeable membrane which molecules are allowed to enter and exit the cell. The function of the plasma membrane is to protect the cell from its surroundings. It is usually made up of protein or lipids, It is thin, flexible and a living membrane.

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