Example sentences of "[vb -s] a essential role [prep] " in BNC.

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1 The second and third cytoplasmic loops of the receptor ( see Box 1 for details ) has an essential role in activating a member of the heterotrimeric G-protein family responsible for stimulating separate members of the PLC family ( Box 1 ) .
2 It is well suited as a hill suckler on rough grazing and plays an essential role in the production of the well-known Blue Grey store cattle of the borders , which are from Galloway cows put to Whitebred Shorthorn bulls to add earlier maturity to the Galloway 's good beefing qualities and excellent mothering instincts .
3 it plays an essential role in shaping and informing the Christian God-consciousness .
4 Is my hon. Friend aware that the rural sub-post office is at the heart of the rural community and that it plays an essential role in west Norfolk ?
5 This discovery brings together two rapidly advancing fields by demonstrating that a tumour-suppressor gene plays an essential role in the induction of programmed cell death .
6 We shall see in what follows that the distinction between anticipated and unanticipated changes in policy instruments plays an essential role in the application of the rational expectations hypothesis to the study of macroeconomic phenomena .
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