Biology for IGCSE & O level - Movement Into And Out Of Cells (Section 2 - No. 2)
Which of the following are true about the cell membrane?
The cell membrane is freely permeable.
The cell membrane regulates the movement of substances.
The cell membrane is present in all cells.
The cell membrane is made up of a phospholipid bilayer.
Explanation
The cell membrane controls movement, is present in all cells, and is made of a phospholipid bilayer.
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