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:

In another study, a different approach was taken to inhibit the intracellular function of F. The domain of RhoA that binds to F was mapped to RhoA residues 77-95 [ 14 ] . In cell culture, a peptide of this sequence inhibited syncytium and cell-to-cell spread of the virus, suggesting that the two might be related, and that syncytium formation required signaling through RhoA [ 14 ] . The same peptide, however, also inhibited human parainfluenza virus type 3 (HPIV-3), the reason for which was not obvious.
To sidestep this complaint, AMA officials promised never to strike (though Dickey conceded doctors might resist bad employers by "being a little slow in completing some of the paperwork" required by HMOs) and avoided the word "union," instead calling their proposed alliance "an affiliated labor organization."
Longer-term experiments and larger groups of rabbits will be required to determine if persistence of antibody is different between the low-volume jet injected and particle bombardment groups.
Pig breeding was the main occupation of these early settlers, but they also planted sugar cane and other crops that required large numbers of laborers.
Furthermore, exon sequences, outside of the proto-splice site, may be required for splice site recognition by the spliceosome [ 34 35 36 37 38 ] . Our rRNA analyses suggest that G-rich regions in the neighborhood (often upstream) of the intron insertion sites may be potential ESEs.