Example sentences of "can be [verb] by the presence " in BNC.
Next page| No | Sentence |
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| 1 | Mental handicap can be caused by the presence in the foetus of an abnormal chromosomal make-up . |
| 2 | The incorrect enzyme presence can be caused by the presence of recessive genes ; or simply by the absence of certain enzymes . |
| 3 | This natural state can be influenced by the presence of a cancer-causing agent located outside the cell . |
| 4 | Within closed chambers or vessels a given constant humidity can be maintained by the presence of a saturated solution in contact with excess of solute . |
| 5 | One interesting possibility is to extend , when possible , the convention that vowel sound can be distinguished by the presence or absence of a following ‘ e ’ . |
| 6 | O. purpureus can be distinguished by the presence of dorsal arm plates , the arrangement of the tentacle scales of the second oral tentacle pore , the presence of one long flat tentacle scale on each arm pore and the transformation of the dorsal spines into hooks . |
| 7 | I quoted examples showing that significant changes in organizations can be catalysed by the presence of even a single individual who is willing to engage with the problem deeply , persistently and openly . |
| 8 | If an animal is covered with irregular patches that break up its outline , the concealment can be improved by the presence of bright colours within these patches . |
| 9 | Thus the upper-case letter ‘ A ’ can be identified by the presence of two tilted uprights , an acute angle at the top , a horizontal bar , and two ‘ T ’ junctions between the uprights and the bar . |