Words similar to challenged

Example sentences for: challenged

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

A significant increase in caspase-3 activity (p < 0.035; n = 3) was observed in cells challenged with MTX and subsequently rescued by U73343, consistent with increased apoptotic cell death.
To help improve campaign Web sites, Michael Cornfield, the research director at Democracy Online Project, has produced an online campaign primer for technologically challenged political junkies.
Peter Edelman, a former Clinton-administration official who has become the most vocal critic of the welfare reform President Clinton signed last year, is being challenged by Mickey Kaus, author of The End of Equality , who supports the reform.
The idea that SAR and PR gene expression are co-regulated has also been challenged by experiments with the eds5 and sid2 mutants [ 20 ] . These mutants have been implicated in SA biosynthesis.
Anaphylaxis also developed in some NOD mice that had been immunized and challenged with preparations of PD peptides (that are not immunodominant in NOD mice), although both the drop in body temperature and the death rate in these mice were significantly less than those observed in the mice immunized and challenged with G7 peptides.