【多选题】Each type of cell membrane contains a different set of proteins, reflecting the specialized functions of the particular membrane. What are the functions of membrane proteins?
A.
T ransporters and channels : they can transport particular nutrients, metabolites, and ions across the lipid bilayer.
B.
Anchors: anchor the membrane to macromolecules on either side.
C.
Receptors: detect chemical signals in the cell’s environment and relay them into the cell interior.
D.
Enzymes: catalyze specific reactions at the membrane and relay the signals into the cell interior.