Transport proteins _____.
A) are found only in eukaryotic cells
B) allow only small molecules and ions to cross the membrane
C) are required for small nonpolar molecules to cross the membrane
D) allow ions and polar molecules to cross the membrane
E) are peripheral membrane proteins

Question

​Transport proteins _____.
A) ​are found only in eukaryotic cells
B) ​allow only small molecules and ions to cross the membrane
C) ​are required for small nonpolar molecules to cross the membrane
D) ​allow ions and polar molecules to cross the membrane
E) ​are peripheral membrane proteins

Quizplus · Accepted Answer

Transport proteins facilitate the movement of ions and polar molecules across the membrane, which otherwise cannot easily pass through the lipid bilayer due to their charge or polarity.

​Transport Proteins _____

Transport Proteins _____