Words similar to necessary

Example sentences for: necessary

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

Before moving on, a quick course in molecular biology: All living creatures, from viruses on up, pull off the feat of self-replication by encoding the necessary information in nucleic acids--in particular the double-stranded DNA discovered by Crick and Watson or, for a few renegade viruses, single-stranded RNA or even single-stranded DNA.
I have only requested the funding necessary to properly maintain and support this staffing level and cover mandatory expenses, including inflation and compensation costs.
The change is necessary, he added, to assure "a true oversight mechanism" for the New York City program.
CRY poteins may play a role at steady state levels or there may be post-translational changes in the functioning of CRY proteins in association with sleep deprivation, such as phosphorylation state, ubiquitination [ 38 ] , or intracellular localization [ 46 ] of the protein, all of which are regulated dynamically, at least in vitro . In the liver, CRY protein oscillations are not necessary for circadian oscillations of target transcripts, as CRY proteins are present in excess of PER and oscillations in the latter produce rhythmicity [ 46 ] . A similar situation might exist in the cortex.
And in Congress, every eruption of "partisanship" or "unfairness," whether real or manufactured, bleeds away the institutional credibility necessary to impeach the president.