Which one of the following does not contain RNA_______________?
Correct answer: A. Plasmalemma
- A. Plasmalemma
- B. Ribosomes
- C. Nuclcolus
- D. Chromosome
Explanation
The plasmalemma, or plasma membrane, is made mainly of lipids and proteins and does not contain RNA as a structural or genetic component. Ribosomes and the nucleolus are closely associated with RNA, while chromosomes may also contain RNA molecules.
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