Question

notes on plasma membrane​

Answer 1

$\large\boxed{Plasma Membrane}$

▪ 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

Answer:

A thin membrane (a souble layer of liplids )enclosing the cytoplasm of a cell, proteins in the membrane control passage of ions (like sodium potassium calcium) in an outer of the cell

Explanation:

All cell have the plasma membrane