Proteins do NOT pass through cell membranes because
A)the membrane is made of protein.
B)they contain nitrogen.
C)they are very large molecules.
D)they cause emulsification.
E)they cause digestion of the cell.

Question

Quizplus · Accepted Answer

Proteins are very large molecules that cannot pass through the phospholipid bilayer of the cell membrane without the help of specific transport proteins or channels.

Proteins Do NOT Pass Through Cell Membranes Because