Multiple choice

Which of the following statements is not true about plasma membrane?

  1. It is the outermost covering of the cell that separates the contents of the cell from its external environment.

  2. It provides shape to the cell.

  3. It is a selectivity permeable membrane.

  4. It is made up of lipids and proteins only.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

While the plasma membrane is made of lipids and proteins, it also contains carbohydrates (as glycoproteins or glycolipids), making the statement that it is made of lipids and proteins 'only' incorrect.

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