Example sentences of "[prep] be necessary for [adj] " in BNC.
Next page| No | Sentence |
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| 1 | Gibberellin , shown to be necessary for continued growth of dodder vine tips in aseptic cultures , also interacts with cytokinins and auxins in the growth of subapical segments ; it augments their effects . |
| 2 | This region has been found in the sea urchin gene to be necessary for maximal transcription in in vitro experiments , a similar function to that found in vivo for oligo I ( 26 ) . |
| 3 | Thus , the more documents that an indexing system is likely to embrace , the greater the number of index terms that are likely to be necessary for convenient retrieval ( given that the number of documents which constitute a scannable category does not vary ) . |
| 4 | ‘ For a long time the courts have , without objection from Parliament , supplemented procedure laid down in legislation where they have found that to be necessary for this purpose . |
| 5 | ‘ For a long time the courts have , without objection from Parliament , supplemented procedure laid down in legislation where they have found that to be necessary for this purpose . |
| 6 | By DNaseI footprinting , we could demonstrate that the 303 bp BglI-NaeI segment ( see Fig. 1 ) , including the RARE and the 80 bp fragment , is able to bind at least two different factors , but only one , the so called footprint I , is localized in the 80 bp region , known to be necessary for full transcriptional activity . |