Which one of the following is correct for the transmembrane proteins in lipid bilayer of plasma membrane?

They are absent in animal cells.

They are only externally located.

Which one of the following is correct for the transmembrane proteins i

1.	Which one of the following is correct for the transmembrane proteins in lipid bilayer of plasma membrane?
A.	They are absent in animal cells.
B.	They act as channel proteins
C.	They are absent in plant cells
D.	They are only externally located.
Answer» C. They are absent in plant cells