Sentence examples for been established with certainty from inspiring English sources

The factors that induce fruiting in lichens have not been established with certainty.

The biological significance of myo-inositol has not yet been established with certainty.

The causes for the accumulation in cells of abnormal amounts of fats (fatty infiltration and degeneration) have not yet been established with certainty but probably involve fat metabolism.

Although the growth hormones and sex hormones play a vital role in growth, the exact mechanism by which they function has not been established with certainty.

It is probably universally distributed in gnathostomes (vertebrates with jaws), in which it is essential for the maintenance of growth, but its presence in agnathans (jawless vertebrates) has not yet been established with certainty.

The relationships between cellulose and other polysaccharides present in the cell wall are not well established; in addition, the presence of unusual chemical linkages or nonglucose units within the cellulose structure has not yet been established with certainty.

Even the order of scenes could never be established with certainty.

Nor can ethnicity be established with certainty on the basis of hair samples alone.

Hence, the possibility of knowledge can never be established with certainty.

The murderers remain at large, so their motive cannot be established with certainty, though a fleeing gunman was heard to shout "Allahu akbar", Arabic for "God is great".

There are, however, at least two ways in which, according to Mendelssohn, God's existence can be established with certainty.