Molecules greater than 0.8 nm in diameter are too large to pass from the ECF into the cytosol through channels.

Question

Quizplus · Accepted Answer

This statement is true. Molecules greater than 0.8 nm in diameter cannot pass through typical ion channels, which have a narrow pore diameter that can only accommodate smaller ions and molecules. Therefore, these larger molecules must enter the cell through other mechanisms such as endocytosis or transporters.

Molecules Greater Than 0