Sentence examples for this challenging question from inspiring English sources

While we do not have a conclusive answer to this challenging question, which has been tackled for a number of other protein kinases, we discuss several conjectures.

Having been premised on the lack of conceptual clarity of treatment in incomplete burst fractures in osteoporosis and based on the little biomechanical knowledge we have so far, this study was designed to gain kinematic awareness in this challenging question using a validated method that experimentally inflicts incomplete burst fractures [ 22].

And what was Ritt himself wearing, that he felt free to ask me this challenging question?

I decided to break this challenging question down into mini-thoughts -- to take little baby steps.

Time, knowledge and power are critical dimensions in this debate and the challenging question is: "[W]hen to control?

A. The challenging question has to do with the aging process itself.

It raises the challenging question: what constitutes proper reasoning about what to do in the face of violations of obligations?

[18] The small number of events and the absence of supporting evidence in the similar FHI SAVVY trial in Ghana [19] make this a challenging question that we are unlikely to answer conclusively.

This methodology thus turned out to be a useful approach to addressing some of the challenging questions about how this overall system works.

This is a challenging question in type 3 secretion, as little is currently known regarding what determines the relative levels of effectors that are delivered into cells, even in the context of an infection.

The cause of this process remains a challenging question that is only beginning to be understood [ 11, 25, 26].