Answer :
Allowing selective movement of molecules across the membrane is not a function (“job”) of peripheral proteins.
What are peripheral proteins?
A class of physiologically active molecules made of amino acids known as peripheral proteins or peripheral membrane proteins interact with the lipid bilayer on the surface of cell membranes.
Peripheral proteins do not pass through the hydrophobic region of the cell membrane, in contrast to integral membrane proteins.
Instead, peripheral proteins contain unique amino acid sequences that enable them to bind to either integral proteins or the phosphate heads of lipid molecules.
What are the function of peripheral proteins?
Providing support and maintaining the internal cytoskeleton and elements of the extracellular matrix are two of the primary functions of peripheral proteins.
Also helps in communication as act like a vast network for gathering information in many cells.
Allowing selective movement of molecules across the membrane is not a function (“job”) of peripheral proteins.
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