For example, all living cells use the same basic set of nucleotides and amino acids. (faith.org.uk)
This is one of those rules that makes sure that teams have the same basic set of circumstances when they play a game. (sbnation.com)
The desired outcome of this is to create as meritocratic a system as possible; if all children are going to be judged when it comes to GSCE, A levels and university entrance on the same basic set of information, then every child needs to learn it. (totalpolitics.com)