Complex sentence: In prokaryotes the 5S rRNA binds to the L5, L18 and L25 ribosomal proteins, whereas, in eukaryotes 5S rRNA is only known to bind the L5 ribosomal protein.
Split into simpler sentences: In prokaryotes the 5S rRNA binds to the L5, L18 and L25 ribosomal proteins. In eukaryotes 5S rRNA only binds to the L5 ribosomal protein.