Multiple Choice
Which of the following represents the order that molecules cross a synthetic membrane composed of phospholipids but not proteins, from most easily (freely permeable) to least easily (not permeable) ?
A) O2, sodium ions (Na+) , water (H2O) , glucose
B) O2, water (H2O) , glucose, sodium ions (Na+)
C) sodium ions (Na+) , glucose, water (H2O) , O2
D) water (H2O) , glucose, sodium ions (Na+) , O2
E) glucose, water (H2O) , O2, sodium ions (Na+)
Correct Answer:

Verified
Correct Answer:
Verified
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