Sterols are found in ?: (A) Cell wall of Ricketssia, (B) Cell membrane of Ricketssia, (C) Cell wall of Mycoplasma, (D) Cell membrane of Mycoplasma
Answer is D. Ans. is 'd' i.e., Cell membrane of Mycoplasma Mycoplasma lack cell wall. They are bounded by triple layered unit membrane that contains sterol. o Thus they require cholesterole and related sterols.