Complex sentence: These proteins are involved in the production of ribosomal RNA (rRNA), which helps assemble protein building blocks (amino acids) into new proteins, which are essential for the normal functioning and survival of cells.
Split into simpler sentences: These proteins are involved in the production of a molecule called ribosomal RNA (rRNA). Ribosomal RNA helps assemble protein building blocks (amino acids) into new proteins, which is essential for the normal functioning and survival of cells.