Multiple Choice
Within the fluid mosaic of a plasma membrane, what is the role of transport and channel proteins?
A) They are cell-surface connection sites.
B) They identify the cell.
C) They prevent the passage of amino acids.
D) They permit ions and water molecules to move through the plasma membrane.
E) They may set off cellular changes such as cell division or hormone secretion.
Correct Answer:
Verified
Correct Answer:
Verified
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