Kaplan Nursing Entrance Exam Practice 2025 – Comprehensive Prep

Question: 1 / 2700

What role does rRNA play in the cell?

Encodes genetic information

Part of the ribosomes, involved in translation

Ribosomal RNA (rRNA) is a crucial component of ribosomes, which are the cellular structures where protein synthesis, or translation, occurs. In the process of translation, rRNA helps to facilitate the binding of messenger RNA (mRNA) and transfer RNA (tRNA) to the ribosome, ensuring that amino acids are joined together in the correct sequence to form proteins. The structure of rRNA contributes to the overall shape and function of the ribosome, playing an essential role in this biological process.

While rRNA does not encode genetic information, transport amino acids, or synthesize DNA, its primary function as part of the ribosomal structure is vital for the translation process and the production of proteins necessary for various cellular functions. This distinctive role separates rRNA from other types of RNA, emphasizing its importance in the overall machinery of protein synthesis.

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Transports amino acids

Synthesizes DNA

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