Complex sentence: The Coronavirus genome has a 5 "methylated cap and a 3" polyadenylated-A tail to make it look as much like the host RNA as possible this also allows the RNA to attach to ribosomes for translation.
Split into simpler sentences: The Coronavirus genome has a 5 "methylated cap and a 3" polyadenylated-A tail to make it look as much like the host RNA as possible. This also allows the RNA to attach to ribosomes for translation.