Multiple choice

Plasma membrane of prokaryotes is less rigid because it is devoid of

  1. membrane proteins

  2. sterols like cholesterol

  3. phospholipids

  4. lipids

  5. carbohydrates
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The plasma membrane of a bacterial cell is less rigid as it is devoid of sterols like cholesterol. One exception to this is the prokaryote mycoplasma that contains sterols in the plasma membrane. In the absence of cell wall, sterol containing plasma membrane offers strength and rigidity to this prokaryote.

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