Villarreal CF, a Spanish football club, has played in European football since 2002, in the Intertoto Cup, UEFA Cup, Champions League, Europa League, Europa Conference League and UEFA Super Cup.
The 2017–18 season was FC Barcelona B's 48th season in existence, the 23rd in Segunda División and first season, since promotion from Segunda División B, in the second flight of Spanish football.
Uvnitř se nachází chromatin, tedy DNA a různé přidružené bílkoviny, ale i další struktury (např. jadérko), kde probíhají různé enzymatické procesy související s DNA a RNA.