рРНК, or рибосомна рибонуклеїнова кислота, is a type of RNA that plays a crucial role in the process of protein synthesis. It is a key component of ribosomes, the cellular structures where proteins are assembled. рРНК helps to translate the genetic information carried by messenger RNA (мРНК) into proteins, which are essential for various cellular functions. There are several types of рРНК, including 16S, 23S, and 5S рРНК, each with specific functions within the ribosome. The structure and sequence of рРНК are highly conserved across different species, making it an important tool in evolutionary biology and taxonomy for studying relationships among organisms.