Which of these molecules is correctly matched with its method of movement through the plasma membrane?
A. Large, water-soluble molecules - transported by carrier-mediated processes
B. Small, water-soluble molecules (ions) - dissolve in double phospholipid layer
C. Lipid-soluble molecules - pass through membrane channels
D. Glucose and amino acid molecules - pass through membrane channels
E. All of the choices are correctly paired.
Answer: A
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