Words similar to required

Example sentences for: required

How can you use “required” in a sentence? Here are some example sentences to help you improve your vocabulary:

5 (1973) (per curiam) (government not required by First Amendment or Due Process Clause to waive filing fee for welfare benefits litigation).
With postcard panoramas south along the coast and to the volcano of Mount Etna to the west, the Greek Theater (third century b.c. ) is the only required site in town.
Originally, these DPBB domains might have functioned as protein cofactors that stabilized a ribozyme RNA polymerase and eventually displaced the ribozyme as they acquired key residues required for protein-based polymerase activity.
If Rec12 protein is required for all (or most) meiotic recombination, then rec12 mutants might fail to produce a sufficient number of reciprocal exchanges to ensure that each chromosome pair receives at least one crossover.
The interaction of LcrG with LcrV is a critical factor in controlling the activity of the type III secretion system in Y. pestis [ 20 ] . In order to gain a deeper understanding of this critical interaction, we determined the region of LcrG required for interaction with LcrV.