Question 223

(Multiple Choice)

Which of these molecules is correctly matched with its method of movement through the cell membrane?


A) lipid-soluble molecules - pass through membrane channels
B) small, water-soluble molecules (ions) - dissolve in double phospholipid layer
C) large, water-soluble molecules - transported by carrier-mediated processes
D) glucose and amino acid molecules - pass through membrane channels
E) All of these are correctly paired.

Answer