Sentence examples for an essential question is from inspiring English sources

Once a set of phylotypes has been selected from the data, an essential question is whether or not these phylotypes have some statistical significance and clearly depart from a random selection of taxon subsets within the input phylogeny.

An essential question is whether any other of these 26 prokaryotes harboring an arg(A -like sequence A -likey depend on it for acetylation of glutamate in vivo.

An essential question is why strains respiring below the threshold have a short CLS.

An essential question is whether our findings are relevant in terms of the concentrations of thiopental and propofol used in clinical practice.

An essential question is: "Will HIV self-tests be used and, if so, by whom?" Will these tests be utilized by the low-risk "worried well", or will they be accessed by the high-risk individuals who currently evade testing or need frequent repeat testing?

But the novel engages an essential question: Is she also exploiting them, as her critics charge?

PFC = Problem-focused coping; EFC = Emotion-focused coping In arranging the regression models, an essential question was whether to combine the treatment samples or analyze them separately.

There is a long and tortured legal history surrounding mountaintop mining, but the essential question is this: Is dumping mine waste into streams a violation of the federal Clean Water Act?

Betty Golden San Francisco, Feb. 6, 2008 • To the Editor: Re "The Cooper Concerns" (column, Feb. 5): David Brooks's essential question is "Can a person truly change?" The year 1993 in Clinton history was long ago.

The essential question is how does a radiologist reliably differentiate between both entities?

longhand?" But the essential question is: "Have you found a space, that empty space, which should surround you when you write?